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Secret and Adventure: Books For Kids

This list of the best kids books about secret is sure to include a new favorite for the voracious young reader in your life! From Under the Water to League of Archers there's something here for everyone's tastes. Do you have a favorite book about secret? Let us know!

Under the Water book
#1
Under the Water
Written and illustrated by Carles Porta
picture book
Recommend Ages: 3-5

Summer has finally arrived in the fourth book of Carle's Porta's Tales From The Hidden Valley series! Beloved characters return in the final book of this whimsical series for fans of Tove Jansson's Moomins. Hidden in a remote place surrounded by high mountains, there lies a secret valley. There is an entrance, but you could pass by it a hundred times and still not see it. It's finally summer, and our friends from the hidden valley are gearing up for a dreamy summer afternoon! When a new, watery friend appears, Ticky, Mister Cold and the rest of the pals explore an exciting new undewater world. But a great monster lurks beneath the surface, and our joyous friends sure are causing quite a fuss! Will they be able to escape its terrible jaws?

George and the Blue Moon book
#2
George and the Blue Moon
Written by Lucy Hawking, Stephen Hawking and illustrated by Garry Parsons
chapter book
Recommend Ages: 8-12

George and Annie are off on another cosmic adventure inspired by the Mars Expedition in the fifth book of the George’s Secret Key series from Stephen and Lucy Hawking. George and his best friend, Annie, have been selected as junior astronauts for a program that trains young people for a future trip to Mars. This is everything they’ve ever wanted—and now they get to be a part of up-to-the minute space discoveries and meet a bunch of new friends who are as fascinated by the universe as they are. But when they arrive at space camp, George and Annie quickly learn that strange things are happening—on Earth as well as up in the skies. Mysterious space missions are happening in secret, and the astronaut training they’re undertaking gets scarier and scarier…

Warrior Genius book
#3
Warrior Genius
chapter book
Recommend Ages: 8-12

In Book 2 of this breathtakingly action-packed series, warriors clash in an ultimate face-off between enemy empires, but both sides share an equal enemy--Giacomo. Giacomo, his fellow artists, and their wise old teacher are on the run after a showdown with Nerezza, the emperor of Zizzola, who has vowed to hunt them down and destroy them and their precious Geniuses. In a desperate attempt to escape, they transport themselves to Rachana, a South Asian-inspired world where it's the most powerful warriors, not artists, who possess Geniuses. The power-hungry Rachanan leader is more than happy to have Giacomo and his team--he's eager to find the next Sacred Tool, the Straightedge, and believes it's hidden somewhere in his empire. Meanwhile, Nerezza has devised a plan to control Giacomo and bend him to her will. But first she'll have to start an all-out war to get to him.

Icebreaker book
#4
Icebreaker
Written by Lian Tanner
chapter book
Recommend Ages: 9-12

Twelve-year-old Petrel is an outcast, living on an ancient icebreaker that has been following the same ocean course for three hundred years. The ship's crew has forgotten its original purpose and has broken into three warring tribes. Everyone has a tribe except Petrel, whose parents were thrown overboard for alleged crimes. She has survived by living in the dark corners of the ship, and speaking to no one except two large rats, Mister Smoke and Mrs. Slink. When a boy is discovered on a frozen iceberg, the crew is immediately on alert. Petrel hides him on board, hoping he'll be her friend. What she doesn't know is that the ship guards a secret, held down deep in its belly, and the boy has been sent to seek and destroy it. Icebreaker by Lian Tanner is a lush fantasy and thrilling adventure story, with an unforgettable friendship at its heart.

The Bone Snatcher book
#5
The Bone Snatcher
Written and illustrated by Charlotte Salter
chapter book
Recommend Ages: 10-14

Sophie Seacove is a storyteller. She tells stories of what the world would be like if madness hadn’t taken over. If her parents hadn’t sold her off as a servant to pay for their passage out of London. If she wasn’t now trapped in a decaying mansion filled with creepy people and surrounded by ravenous sea monsters. The mansion has plenty of stories, too: About fantastical machines, and the tragic inventor who created them. About his highly suspicious death. And about the Monster Box, a mysterious object hidden in the house that just might hold the key to escaping this horrible place—and to reuniting Sophie with her family. But not everyone wants Sophie to have the Monster Box, and as she gets closer to finding it, she finds herself unspooling years-old secrets—and dodging dangerous attacks. Sophie needs to use her brains, her brawn, and her unbreakable nature if she wants to make it off this wretched island…and live to tell this story.

  1. The Lost Property Office - Thirteen-year-old Jack Buckles is great at finding things. Not just a missing glove or the other sock, but things normal people have long given up on ever seeing again. If only he could find his father, who has disappeared in London without a trace. But Jack’s father was not who he claimed to be. It turns out that he was a member of a secret society of detectives that has served the crown for centuries—and membership into the Lost Property Office is Jack’s inheritance. Now the only way Jack will ever see his father again is if he finds what the nefarious Clockmaker is after: the Ember, which holds a secret that has been kept since the Great Fire of London. Will Jack be able to find the Ember and save his father, or will his talent for finding things fall short?

  2. Microsaurs: Beware the Tiny-Spino - Disaster awaits when the most annoying girl in school discovers the existence of our favorite tiny dinosaurs in the fifth installment of Dustin Hansen's illustrated chapter book series. Vicky Van Varbles, AKA Lin's nemesis, AKA the most annoying person on the planet, has discovered the microterium! Lin is convinced that this is the Worst. Thing. EVER! Vicky has never kept a secret in her life. The only solution is to trap her in a bug jar for the rest of eternity. But Danny has a different plan . . . if they can induct Vicky into the (newly created) International Microsaur Protection Agency, he's sure she can be convinced to keep their secret. But first Vicky has to pass Lin's increasingly difficult and dangerous tests . . . If Danny can't get Lin and Vicky to work together, then the microsaurs really might be doomed!

  3. The Doll's Eye - A beautiful and haunting tale for independent readers from the author of The Inn Between All Hadley wants is for everything to go back to the way it used to be—back when she didn’t have to share her mother with her stepfather and stepbrother. Back when she wasn't forced to live in a musty, decomposing house. Back when she had a life in the city with her friends. As Hadley whiles away what’s left of her summer, exploring the nearby woods and splitting her time between her strange, bug-obsessed neighbor Gabe and the nice old lady that lives above the garage, she begins to notice the house isn’t just old and creaky. It’s full of secrets, just like appearance of a mysterious dollhouse and the family of perfect dolls she finds. Oh, how she wishes her family were more like those lovely dolls! Then one day, Hadley discovers a lone glass eye rolling around the floor of the attic. Holding it close one night, she makes a wish that just might change her world forever. The Doll's Eye bears Marina Cohen's trademark eerie style and beautiful writing.

  4. The Adventures of Lettie Peppercorn - An alchemist peddles a new magical invention—and the key that could unlock Lettie Peppercorn’s family secrets—in this quirky “tale of self-discovery, family, and friendship” (The Independent). Lettie Peppercorn cannot go outside. Ma told her so right before Ma disappeared forever. So Lettie’s house is on stilts, and she is stuck with only the wind and a pigeon for a friend. Nothing exciting has ever happened to her—until the night a strange merchant appears. He claims to be an alchemist—the greatest that ever lived—and he is here to sell Lettie his newest invention. It’s an invention that could change Lettie’s life—and the world forever. An invention called “snow.” But snow is not the only secret he holds. The alchemist knows where Lettie’s Ma is. And Lettie will do anything to get Ma back—even if it means risking her own life. Join the brilliant and resourceful Lettie Peppercorn as she sails across the world to reunite her family and discover the truth about herself.

League of Archers book
#10
League of Archers
Written by Eva Howard
chapter book
Recommend Ages: 9-13

Ellie Dray and her League of Archers are keeping Robin Hood’s legacy alive, but when Ellie is accused of Robin’s murder, she must learn what it really means to be a hero in this exciting adventure story. Twelve-year-old novice nun Elinor Dray has always idolized Robin Hood. She and her friends try to be like him by sneaking out to hunt on the lands belonging to the village Baron, stealing from him to feed their poor neighbors. They call themselves the League of Archers. While returning from a hunting trip late one night, Ellie meets a man in the forest—a hunter like herself. But suddenly the man is shot with a poisoned arrow. She manages to help him back to the abbey, but it’s too late and he dies. Only in his final moments, does Ellie realize that the hunter is Robin Hood, and that the abbess of the nunnery is Maid Marian. With her secret revealed, the Baron immediately arrests Marian. But he needs a scapegoat for the murder of Robin Hood, and who better than a young novice nun? He calls Ellie a hero, but the villagers don’t agree. A mob forms, vowing to hunt Ellie down and exact their own vengeance. Will Ellie and her League of Archers be able to find the real killer, free Maid Marian, and keep Robin Hood’s legacy intact? Kirkus Reviews described League of Archers as a book that “doesn’t shy away from deep moral dilemmas often unexplored in middle grade novels and important to acknowledge in a story with life-or-death stakes.” And Booklist said that it was a “highly enjoyable adventure story that should appeal to a wide range of readers.”

    Did you enjoy our children's book recommendations? Did we miss one of your favorites? Let us know in the comments below!