Sisters All the Time

Join half-sisters Mari and Luz in an exploration of time and estimation, because STEAM is everywhere and for everyone!

Part of STEAMWORKS, a series of fiction picture books for ages 4-7 that relate science, technology, engineering, arts, and math (STEAM) to kids’ everyday lives.

Mari and Luz are a special kind of sister: half sisters! They share the same Papi but have different moms, so they spend only weekends together. When Luz’s mom is running late, the girls are determined to make the mo...