Herman "Houdini" Foster and his cousin Janet investigate an apparent theft at the local mall.

Cousins Sophia Grace and Rosie plan a princess tea party, with invitations and costumes.

Evan can't stand babysitting his genius cousin, Kermit. Kermit refuses to play video games. He won't even play Frisbee! All likes to do is hang out in the basement performing strange experiments and playing mean practical jokes on Evan and his friend Andy. But now Andy's found something that will teach Kermit a lesson once and for all. It's green. It's slimy. And it comes in a can marked...Monster Blood!

Angelina and her cousin Henry help bring Christmas to a lonely old postman.

Emmy the dragon is maturing and growing too large--and bored--for her quarters, but when she disappears her Keepers, cousins Jesse and Daisy, follow her trail to the Fiery Realm in hopes of bringing her home.

"After helping to host Tea for Two's first "Teas around the World" tasting, Rose Young approaches the proprietor/cousins, Elaine Cook and Jan Blake, in distress. Rose's mother died recently, and in going through her belongings, she found a death certificate--for herself! What could this document mean? What happened when Rose was a year old? The cousins' search for truth behind this unsettling find reaches far beyond Lancaster, Maine, to a pivotal...

When Henry's cousin Annie prepares to move in next door, he and Mudge help calm her fears.

Twelve-year-old Edie and her impossibly cool cousin, Rae, set out to complete a mysterious list of "Good Ideas for Summertime" that their eccentric late grandmother wrote back when she was their age. But good ideas? Most of them seem like bad ideas. Reckless. Foolish. Ridiculous. Still, by accomplishing everything on the list, rule-abiding Edie feels certain that she can become the effortlessly brave adventurer she dreams of being, just like her daring...

Presents the continuing adventures of Henry York, who has been living in Kansas with his cousins, where he discovers doorways leading to other worlds and becomes involved in a multi-world struggle between good and evil.