Title: "Please Play Safe Penguin's Guide to Playground Safety" by Margery Cuyler

Plot Summary: The book "Please Play Safe!" is a children's guide to playground safety, written by Margery Cuyler and illustrated by Will Hillenbrand. The story follows Penguin and his animal friends as they visit the playground. Initially, the friends engage in boisterous and unsafe play, such as running too fast and knocking each other down. However, as the day progresses, they learn the importance of playing safely and using good manners. They demonstrate how to use the playground equipment correctly, like walking instead of running and picking up their toys before leaving.

The narrative is filled with humorous and relatable scenarios, including Hippo bouncing a ball off Penguin's head (BOINK!) and Rhino throwing sand in Lion's fur. Despite these mishaps, the friends ultimately learn the rights and wrongs of playground play, ensuring a safe and enjoyable experience for all.

Key Themes:

1. Playground Safety: The book emphasizes the importance of safety during playground activities, teaching children how to use equipment correctly and avoid potential hazards.
2. Good Manners: It highlights the value of using good manners, such as picking up toys and respecting others.
3. Social Skills: The story promotes social skills by showing how friends can play together safely and respectfully.

Critical Reception: While specific reviews are not provided in the search results, the book's purpose and approach are generally well-received. The illustrations and narrative are designed to be engaging and educational, helping children understand what constitutes safe and respectful play.

About the Author: Margery Cuyler is a prolific author of children's books, known for her engaging stories and illustrations. Her other notable works include "From Here to There," "The Little Dump Truck," and "That’s Good That’s Bad!" The idea for "That’s Good That’s Bad!" was inspired by a conversation with her son, Thomas, who asked if bad things can change into good things.

Overall, "Please Play Safe!" is a valuable resource for parents and caregivers seeking to teach children about playground safety and good manners, presented in an entertaining and accessible manner.