Book Series · 8 Books
In order from Lost and Found in the City to The Night Crew.
The Ratnip series is a set of 8 chapter books by Cam Higgins, published between 2025 and 2026. Written for ages 5–9, most books run about 130 pages.
A city rat races against time to return a lost treasure.
8 books · Published 2025–2026
A city rat races against time to return a lost treasure.
A rat's pizza quest leads to unexpected culinary adventures.
A critter races through the city, facing fierce competition. Can he win?
A treasure hunt leads Ratnip into a monster's lair. Can he escape unscathed?
Lost in a strange place, can they find their way home by dawn?
A streetwise rat and a bored guinea pig seek adventure beyond their comfort zones.
A city rat sails the streets, seeking treasure after a rainstorm.
A critter crew takes over a city construction site at night.
There are 8 books in the Ratnip series. It began with Lost and Found in the City in 2025, and the newest book, The Night Crew, was published in 2026.
Start with Lost and Found in the City and follow the series order — the books above are numbered #1 through #8.
The series is best for ages 5–9, based on the age ranges of the individual books.
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