Ada Twist, Scientist Format:Hardcover But his stepdad's return stresses

But his stepdad's return stresses Trev - because when he left

their families become close

In the third and final installment of the Sheets trilogy

Countless innocent lives across the empire are at stake

Ada Twist, Scientist Format:Hardcover But his stepdad's return stressesQuestioneers Now a Netflix series! #1 New York Times Bestseller A Wall Street Journal Bestseller A USA Today Bestseller Inspired by mathematician Ada Lovelace and physicist Marie Curie, this #1 bestseller from author Andrea Beaty and illustrator David Roberts champions STEM, girl power, and women scientists in a rollicking celebration of curiosity, the power of perseverance, and the importance of asking "Why?" Ada Twist's head is full of questions.