Mossy, a turtle with a garden growing on her shell, is taken from her home and new friend to become an exhibit in a museum, until the director's niece, Tory, notices how sad Mossy is and helps arrange for her to go home.

Pinkerton's natural canine urge to chew on things while teething coincides with a chaotic visit to the museum's collection of dinosaur bones.

When the plans for the Bat-Wing, a historical aircraft, disappear from the Capitol City Air and Space Museum, eleven-year-old Amal Farah's father is blamed, and it is up to the four young friends to solve the mystery and save her father's job.

Somebody is vandalizing exhibits at the Capitol City Museum of American History, and it is up to twelve-year-old Raining Sam and his friends to find the culprit before irreparable damage is done.

An original Sherlock Holmes manuscript was stolen from the Bayport Museum and now pages keep showing up in Frank and Joe's things: their lockers, menus, even the backseat of their car. It's clear someone is out to frame them. But who could it be?

When Nozomi Nagai pictured the ideal summer romance, a fake one wasn't what she had in mind. That was before she met the perfect girl. Willow is gorgeous, glamorous, and...heartbroken? And when she enlists Nozomi to pose as her new girlfriend to make her ex jealous, Nozomi is a willing volunteer. Because Nozomi has a master plan of her own: one to show Willow she's better than a stand-in, and turn their fauxmance into something real. But as the lies...

Aspiring Professional Adventurer Mr. Penguin and his colleague, Colin the spider, try to find a treasure rumored to be buried in The Museum of Extraordinary Objects before bandits do.