Seven-year-olds Bradley, Brian, Nate, and Lucy make observations and gather clues that convince them that their older siblings, cousin, and anima

It's bad enough Ian Barker has to spend his twelfth birthday with his sister and their two annoying cousins. The four of them can't ever hang out

Story shows that guts, brains, and a little slobber are all you need to have a ripsnorgling good time.

A collection of childrens mysteries.

A collection of Calender mysteries.

After a family emergency sends twelve-year-old Will and five-year-old Jamie to Scotland, a "magic eye" book takes them and their cousin Nan on a

Bradley, Brian, Nate, and Lucy follow clues on an Easter treasure hunt, while trying to figure out who set it up for them.

"As Thanksgiving approaches, Nate and Lucy must help Bradley and Brian find out what their shady new neighbors are up to"--

Bradley, Brian, Nate, and Lucy try to help out the Flying Fortunatos, an acrobatic troupe with a very shabby traveling circus, by identifying the

Bradley, Brian, Nate, and Lucy visit a haunted hotel on Halloween, but once inside they realize that they have seen plenty of people going in and

Twins Zack and Zoe investigate when someone mails Zach a soccer jersey, identical to the one he wears on his travel team, with no explanation.

As a Father's Day gift to the twins' Dad, Bradley, Brian, and their cousins Lucy and Nate try to identify and stop whatever creature is biting fr