Emily Jayne and the Kairos Codex

Emily Jayne and the Kairos Codex is a speculative science-fiction novel set in a Milky Way galaxy that is filled with intelligent extraterrestrial life. It has strong and smart female characters in lead roles, who like science, technology, engineering and math (STEM). It has strong and smart male characters too! The heroine, 11-year-old Emily Jayne Hutchings, her canine sister Rex, and her cousin Sarah Spiller, need help from their friends to escape evil time travelling aliens and find the one e