Lulu is sent to Camp Sisterhood to learn how to be a big sister, but she makes it her mission to be the worst sister-in-training in camp history.

All the seventh graders at Abigail Adams Junior High go on a mandatory summer outdoor adventure trip to Lake Rescue, but while there the Beacon Street girls learn more about themselves than they do about nature.

"As the days go on, nine-year-old Eleanor realizes that maybe being at summer camp isn't so bad after all, and is full of special surprises"-- Provided by publisher.

At swim camp, Squish's new friend Basil helps him avoid learning to swim with pranks that sometimes go too far, but the comic book exploits of Squish's idol, "Super Amoeba," help him deal with Basil and conquer his fear.

Separated from her friends by different bunkhouses and activities, and worried that a classmate will reveal that she is a nerd at home, Sarah's second summer at Camp Lakeview gets even worse when an injury and an attentive boy interfere with her reputation as the camp's star athlete.

Summer camp is not as disastrous for Charlotte as it is for her counselor, Abby, who has no control over the girls in her charge. The control is held by the cabin's mean girl. Charlotte realizes that she could tip the balance of power and unseat the bully, but does she have the courage to go for it?

When Rebecca attends summer camp in the country because of the spreading polio epidemic in New York City, she is troubled by a bully in her tent and another fellow camper who is strangely secretive.

In 1941, fifteen-year-old Lina, her mother, and brother are pulled from their Lithuanian home by Soviet guards and sent to Siberia, where her father is sentenced to death in a prison camp while she fights for her life, vowing to honor her family and the thousands like hers by burying her story in a jar on Lithuanian soil. Based on the author's family, includes a historical note.

Clay and the Secret Series Allies confront the white-gloved members of the mysterious Midnight Sun cabal.

Detained in a filthy concentration camp during the second Boer War, 14-year-old Lettie, an Afrikaner settler, works to help her mother and brother survive while forging surprising friendships, dreaming of becoming a writer and remembering her stargazing activities with her soldier grandfather.