Famed inventor Henry “Hank” Witherspoon is missing. Jack and his brilliant siblings, Ava and Matt, travel deep into the Amazon jungle, following a series of clues Hank has left. Includes a glossary of terms and an experiment kids can do at home or at school. Illustrations.
Lost In The Jungle Jack and the Geniuses Book #3 (Hardcover) Bill Nye, Gregory Mone, Nicholas Iluzada (Illustrator)
