As four very different letters arrive at the playground, each makes the next feel unwelcome, but once they begin to swing together, they have a wonderful time.

When Andy and Sandy first meet at the playground, they are cautious of one another, but soon find a way to become friends.

"¿Qué pasó en la plaza? ¿Dónde están los juegos? ¡Un remolino se los llevó!"--

"A group of young dinosaurs builds a seesaw and takes turns playing on it until the bossy, big, and TERRIBLE Tyrannosaurus interrupts their game in a fit of temper. All ends well, though, when Mom steps in and encourages a peaceful and a productive end to the conflict"--

"A cast of animal characters are building a brand new playground in a local park and each day of the week contains a different construction plan. The construction project comes together for a rhyming walking tour of a neighborhood, where young readers can learn the days of the week while watching everyone work as a team!"--