A famous writer is coming to Green Lawn! Dink rushes to the bookstore to meet his favorite author, Wallis Wallace, and get all his books signed. But the author never shows up! Where is Wallis Wallace? It’s up to Dink and his friends Josh and Ruth Rose to track him down.

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! This collection includes Detective Camp, Mayflower Treasure Hunt, White House White-Out, and Sleepy Hollow Sleepover.

Green Lawn, we have a problem! When Bradley Pinto wakes up in the night to strange lights in his backyard, he thinks there are aliens in town. When he sees three-toed footprints in the snow, he’s sure of it. His twin, Brian, and friends Lucy and Nate aren’t so certain. But then Lucy’s cousin Dink, the twins’ brother, Josh, and Nate’s sister, Ruth Rose, all disappear. Are there really aliens in Green Lawn? And where could they be taking Dink, Josh, and Ruth Rose?

It's time for the alpaca costume contest, and Abigail "Abbi" Wallace is excited to see it at the Maine State Fair. But there’s only one alpaca left—the rest are missing! What sent the alpacas packing? Abbi; her dog, Barkley; and her friends Lydia and Daniel are ready to sniff out this mystery!

Inspired by the Celtic legend and the spirit of the imagination, Christmas in Camelot is Mary Pope Osborne's gift to young listeners everywhere. It begins with a simple invitation to spend Christmas Eve in Camelot, a magical place that exists only in myth and fantasy. What Jack and Annie don't know is that the invitation will send them on a quest to save Camelot itself, not from destruction, but from being forgotten forever.