It is pool day in the city and everyone is welcome.

An unlikely friendship develops when Stephen takes in an abandoned alien as his guest.

Members of a large group of animals, including a penguin, two rabbits, and a koala, disappear at an alarming rate but the hungry lion remains.

"...Roberta rescues tiny creatures. You know, the ones stranded in the middle of the sidewalk. A lot of the time, that earns her funny looks from kids in school. But when a swarm of baby spiders finds its way into the classroom, Roberta will save the day with her knowledge and creativity, showing everybody that tiny creatures aren't so scary after all. They just need friends who rescue and understand them!"-- Publisher's description.

Stumbling on the same mysterious love letter in turn, best friends Hedgehog, Bunny, and Squirrel are reminded of the joys of friendship following a silly mix-up about their secret admirer.

"A picture book about a surreptitious spider who gathers the courage to help the neighbors she has watched over from afar--a promising painter, a proper little lady, a mindful young man, a brave girl and her exceptionally brave tortoise"-- Provided by publisher.

Children whirl, climb, slide, float, and jump as they go from house to house for playdates.