Join the dinos for a bash before bedtime! Much like us, dinosaurs love to have fun. Dinosaurs from all around gather together to play instruments, dance, and sing before bedtime. But soon the dinosaurs grow tired and need their rest. This is a book that's sure to have kids following the dinos' lead as they get ready to go to sleep.

Meet Grace Hopper: the woman who revolutionised computer coding, coined the term 'computer bug' and taught computers to 'speak English. An ace inventor and groundbreaker, Grace Hopper transformed the world of computer science. This book tells the inspirational story of this amazing woman with a passion for maths, an insatiable curiosity and the firm belief that "it's easier to ask for forgiveness than...to get permission."

Ada Lovelace, the daughter of the famous romantic poet, Lord Byron, develops her creativity through science and math. When she meets Charles Babbage, the inventor of the first mechanical computer, Ada understands the machine better than anyone else and writes the world's first computer program in order to demonstrate its capabilities.

"Revelatory to young audiences in more ways than one." --Kirkus "Many STEM-for-girls biographies fan excitement over women's achievements, but this title actually brings the central scientific concept within middle-grade reach." --The Bulletin of the Center for Children's Books Selected for the New York Public Library Best of 2019 List! Movie star by day, ace inventor at night: learn about the hidden life of actress Hedy Lamarr! To her adoring public, Hedy Lamarr was a glamorous movie star, widely considered the most beautiful woman in the world. But in private, she was something more: a brilliant inventor. And for many years only her closest friends knew her secret. Now Laurie Wallmark and Katy Wu, who collaborated on Sterling's critically acclaimed picture-book biography Grace Hopper: Queen of Computer Code, tell the inspiring story of how, during World War Two, Lamarr developed a groundbreaking communications system that still remains essential to the security of today's technology. Selected for the 2020 Outstanding Science Trade Books for Students K-12 list, compiled by the National Science Teachers Association (NSTA) and the Children's Book Council (CBC).

Decode the story of Elizebeth Friedman, the cryptologist who took down gangsters and Nazi spies In this picture book biography, young readers will learn all about Elizebeth Friedman (1892-1980), a brilliant American code breaker who smashed Nazi spy rings, took down gangsters, and created the CIA's first cryptology unit. Her story came to light when her secret papers were finally declassified in 2015. From thwarting notorious rumrunners with only paper and pencil to "counter-spying into the minds and activities of" Nazis, Elizebeth held a pivotal role in the early days of US cryptology. No code was too challenging for her to crack, and Elizebeth's work undoubtedly saved thousands of lives. Extensive back matter includes explanations of codes and ciphers, further information on cryptology, a bibliography, a timeline of Elizebeth's life, plus secret messages for young readers to decode.