In the third book in the Asha and Baz series, readers learn about secret codes and how to break them from World War II codebreaker Elizebeth Friedman! A secret code and a mysterious prize up for grabs at school prompts Asha and Baz to once more use their magic stick to travel to the past. This time they land in 1942, where they meet Elizebeth Friedman, a codebreaker working with the US Navy. She's the perfect person to help the kids with their codebreaking challenge, but she's hard at work decoding secret messages from Nazi spies! With a navy officer pressuring Elizebeth to work quickly and the Allied war efforts at risk, the kids could be in for more than they expected in Asha and Baz Meet Elizebeth Friedman! Themes: children's books on STEM/STEAM, Early reader, women in science, women in history, space, gender equality. Science activity in book can be replicated in schools or at home using simple supplies. Instructions provided in story.

In the fourth book in the Asha and Baz series, readers learn about volcanoes from renowned volcanologist Katia Kraft!Asha wants to win a super cool volcanic rock by solving the Great Volcano Challenge at school. So she and her best friend Baz use their magic stick to travel to Iceland in 1973 to learn from famous volcano researcher Katia Krafft.She's sure to be able to help them with their project, but she's got an eruption to observe and data to record--and ash, lava, and smelly gases are a lot more scary than a classroom. With safety concerns rising, Asha and Baz will need to keep their cool to get back home and win the prize.