#1
Chapter Book · Ages 7–9 · 2001
Two siblings travel back in time to Camelot to retrieve a magical water that will save the kingdom from a terrible curse
#2
Chapter Book · Ages 7–10 · 2003
Two siblings travel through time to the kingdom of Camelot to help the wizard Merlin and the enchantress Morgan le Fay.
#3
Chapter Book · Ages 7–9 · 2004
Two siblings embark on a magical adventure to retrieve the Sword of Light and save King Arthur from doom.
#5
Chapter Book · Ages 7–10 · 2004
Two siblings travel back in time to Venice to save the city from a flood disaster.
#4
Chapter Book · Ages 7–10 · 2004
Two siblings travel through time to retrieve a wizard's stolen staff and encounter various magical creatures and challenges along the way.
#6
Chapter Book · Ages 7–9 · 2005
Two siblings travel through time to ancient Baghdad to help the caliph spread wisdom to the world.
#8
Chapter Book · Ages 7–9 · 2006
Two siblings travel through time to save a unicorn from an evil wizard.
#7
Chapter Book · Ages 7–9 · 2006
Two siblings travel back in time to the 1889 Paris World's Fair to find four new magicians and warn them about an evil sorcerer.
#9
Chapter Book · Ages 7–10 · 2007
Two siblings travel back in time to ancient Japan to find a secret of happiness for a wizard.
#10
Chapter Book · Ages 7–9 · 2007
Two siblings travel back in time to meet Leonardo da Vinci and help him with his work.
#12
Chapter Book · Ages 7–9 · 2008
Two siblings travel through time to find the fourth secret of happiness to save a magician in Camelot.
#11
Chapter Book · Ages 7–9 · 2008
Two siblings travel back in time to the 19th century and find themselves on a ship in the middle of the ocean, where they encounter a giant octopus and learn a valuable lesson about compassion and understanding.
#13
Chapter Book · Ages 7–10 · 2009
Two siblings travel back in time to 18th century Vienna to help a young Mozart find his musical voice
#14
Chapter Book · Ages 8–12 · 2009
Two siblings travel back in time to New Orleans in 1915 to help a young Louis Armstrong discover his musical talents.
#15
Chapter Book · Ages 7–9 · 2009
Two siblings travel back in time to 19th-century Ireland to help a young girl discover her creative talents.
#16
Chapter Book · Ages 6–9 · 2010
Two siblings travel back in time to Victorian England to help Charles Dickens write his next book.
#17
Chapter Book · Ages 7–10 · 2010
Two siblings travel back in time to India to find an emerald rose to save a penguin from a spell.
#19
Chapter Book · Ages 7–10 · 2011
Two siblings travel through time to meet Abraham Lincoln and help him during a difficult period in his life.
#18
Chapter Book · Ages 7–9 · 2011
Two siblings travel through time to the Swiss Alps to find a rare flower to break a spell that turned their friend to stone.
#20
Chapter Book · Ages 7–9 · 2012
Two siblings travel through time to find four objects to break a spell that has turned a penguin to stone
#22
Chapter Book · Ages 8–12 · 2013
Two siblings travel through time to meet the Great Houdini and learn a secret of greatness.
#24
Chapter Book · Ages 7–10 · 2014
Two siblings travel back in time to the 1970 World Cup final in Mexico City to meet Pelé and learn the secrets of greatness from him
#23
Chapter Book · Ages 7–10 · 2014
Two siblings travel back in time to ancient Egypt to meet Florence Nightingale and learn about her life and work.
#21
Chapter Book · Ages 7–9 · 2014
Two siblings travel back in time to ancient Macedonia to meet Alexander the Great.
#25
Chapter Book · Ages 7–9 · 2015
Two siblings travel back in time to ancient Mexico and become embroiled in the politics of a Mayan kingdom.
#26
Chapter Book · Ages 8–12 · 2016
Two siblings travel back in time to 1925 Alaska to help deliver medicine during a diphtheria outbreak
#27
Chapter Book · Ages 7–10 · 2016
Two siblings travel through time to help King Arthur and his kingdom.
