UPDATE: This book has officially been STEM Reviewed by STEM.org, a leading global STEM accreditation organization. Late at night, while Samantha and Roger sleep, their toy blocks kind-a, might-a, sort-a engineer a way back into the children's lives . . . and hearts. The Blocks Come Out at Night is the first book in a series aimed at children in Kindergarten through 3rd grade. The book introduces fun engineering concepts through fast-paced and engaging storytelling. There is also a clever cultural element woven into each book that will have young readers eager to explore the world around them.