Laurie Wallmark

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...

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.

Hedy Lamarr became a movie legend, but her true loves were always science and engineering. During World War II, Hedy collaborated with another inventor on an innovative technology called frequency hopping. It was designed to prevent the enemy from jamming torpedo radio signals and commanding weapons to go off course. Frequency hopping is still used today to keep our cell phone messages private and defend our computers from hackers. In this biography,...

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.

The queen of chess, Judit Polgar, dazzled the world as a prodigy, winning tournaments, gold medals, and defeating eleven world champions, including Garry Kasparov and Magnus Carlsen. At her peak, Judit was rated the eighth best chess player in the world.

A picture book biography of "Sophie Kowalevski, [who] was both a brilliant mathematician and a talented writer. Creative work nurtured her mathematical research, giving her a flexibility of thought she treasured. A wonderful STEAM figure, she not only did mathematical research, but she also created many literary works"--Publisher marketing.

In this biography, young viewers 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, she held a pivotal role in the early...