Twins Ben and Zoe are recruited by their mysterious uncle Dr. Stephen Fisher, a famous zoologist, to rescue a Sumatran tiger from poachers.

"In this early chapter book, Lark and her brother, Connor, find the culprit when a pair of diamond earrings goes missing from the general store."--

An oral history that reports, through transcribed recordings, text messages, photographs, illustrations, screenshots, and more, on the First (and last) Annual Culvert Prep Middle School Scavenger Hunt For Charity, and the adventures of twelve-year-old twins Reese and Claudia Tapper as their highly competitive teams scour New York for treasure.

After waking to find herself in Aventurine--the place where girls train to become fairy godmothers--an African American twin sister who is afraid of discovering her own uniqueness embarks on her first mission to rescue a special bird's egg before a devastating magical hurricane hits.

Taking the Fowl jet without permission before it mysteriously explodes over Florida, the Fowl twins are placed under house arrest until Myles's questions about what really happened lead to an astonishing abduction.

Seventeen-year-old Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, while Sutton looks on from her afterlife.

Cash, Fitch, and Bird Thomas are three siblings in seventh grade together in Park, Delaware. In 1986, as the country waits expectantly for the launch of the Space Shuttle Challenger, they each struggle with their own personal anxieties. Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main. And Bird, his twelve-year-old...

Twelve-year-old identical twins Jay and Ray have long resented that everyone treats them as one person, and so they hatch a plot to take advantage of a clerical error at their new school and pretend they are just one.