WINNER OF THE NEWBERY MEDAL • WINNER OF THE ASIAN/PACIFIC AMERICAN AWARD FOR CHILDREN'S LITERATURE • #1 NEW YORK TIMES BESTSELLER Would you make a deal with

Natalie's uplifting story of using the scientific process to "save" her mother from depression is what Booklist calls "a winning story full of heart and action.

“A stunningly detailed history . . . from sexy socialite double agents to ‘kill switches’ implanted offshore in the computer chips for our electric grid�

An orphaned boy in contemporary Senegal must decide between doing what is right and what is easy as he struggles to keep a promise he made to his dying father i

Kirkus Best Books of 2019 * Kids’ Indie Next Pick List * Bookpage Best Books of 2019: Middle Grade “Beautiful, mysterious and deeply satisfying.” —Rebec