Meg Murry and her friends become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government.

While trying to fit in at summer camp, Nina discovers a pair of endangered birds getting ready to lay eggs in the marsh behind one of the cabins and hatches a secret plan to help them.

Humphrey, the pet hamster of Longfellow School's Room 26, learns that his classroom is full of secrets, the most important of which is that a student will be leaving soon.

Noah, Megan, Richie, and Ella must navigate a maze of never-ending aquariums in the Secret Zoo to rescue their animal friends.

Noah and his friends follow a trail of mysterious clues to uncover a secret behind the walls of the Clarksville City Zoo--a secret that must be protected at all costs.

Andi and her brother wind up with nine stray dogs that need homes but must be kept a secret.

After their father's research experiment at the British Museum unleashes the Egyptian god Set, Carter and Sadie Kane embark on a dangerous journey across the globe--a quest which brings them ever closer to the truth about their family, and their links to a secret order that has existed since the time of the pharaohs.

Katie is about to burst when the rest of the Cupcake Club entrusts her with their secrets, but this group of best friends soon realizes that sharing and keeping secrets is what friends are for.

The discovery of Harriet's secret journal, concerning the personalities and activities of her schoolmates and neighbors, causes pandemonium.

Jedi must safeguard the galaxy and not form attachments, but when Obi-Wan and Siri fall in love, their relationship has unforseen consequences for the generations that come after them.