"Rachel, Pedro and Friends Sit Up Straight" is an activity book that teaches children the importance of good posture written by a physical therapist and illustrated by a neuroscientist. The book uses colorful illustrations of playful monsters that charm children to participate and engage in a number of activities including mazes, connect the dots, coloring, writing, drawing, and tracing exercises. This is one book in a series of three including "Rachel, Pedro and Friends Stand Up Straight."