Ada Twist, Scientist author-Ann M. Martin Jack knows he’s falling—hard

Jack knows he’s falling—hard

accessible prose and vividly illustrated by Caldecott Medalist Emily Arnold McCully

what seems like a routine theft goes horribly wrong

while boys grow up to be shapeshifters

she has learned to let her fists and her fierceness do the talking

Ada Twist, Scientist author-Ann M. Martin Jack knows he’s falling—hardAlso Available In: Audio $28. 74 Ada Twists head is full of questions. Like her classmates Iggy and Rosiestars of their own New York Times bestselling picture books Iggy Peck, Architect and Rosie Revere, EngineerAda has always been endlessly curious. Even when her fact finding missions and elaborate scientific experiments dont go as planned, Ada learns the value of thinking her way through problems and continuing to stay curious.