Meet sibling sleuths Nicki and Ricky -
and the mysterious birds in their neighborhood - as they embark on scientific explorations to solve natural mysteries.
This volume collects the first three books in the Adventures of Nicki and Ricky series:
THE MYSTERY OF THE SHELL TREE
THE HUMMINGBIRD CONUNDRUM
and THE CASE OF THE DUCK'S TEETH
in a special hardcover edition.
Join thousands of book lovers
Sign up to our newsletter and receive discounts and inspiration for your next reading experience.
By signing up, you agree to our Privacy Policy.You can, at any time, unsubscribe from our newsletters.