Patrick Carman

"A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches a race to uncover a treasure stolen by the Nazis and the truth behind the murder of the last Russian royal family. All too soon, the treasure hunt starts to smell like a Lucian trap. But the bait might just be irresistible--what will Amy and Dan...

"Leo has explored the zany, wonderful Whippet Hotel from basement to top floor, with trains, flying goats, and mazes (among other things) in between. But even Leo doesn't know every secret of the Whippet - and when he discovers that there's more beneath the hotel than he'd thought, it doesn't take long for more adventures to unfold!"--Dust jacket.

Alexa Daley and her friend Yipes find themselves stranded on in a strange secret community known as the Five Stone Pillars, where each pillar contains it's own secrets, and twelve-year-old Alexa must fight to defeat the darkness.

Leo and Remi have gotten used to the strangeness of the Whippet Hotel, but when the entire top floor is hoisted into the sky and transported to the field of wacky inventions, they find that they must compete against a number of foes to solve a puzzle or lose their beloved hotel forever.

"Sarah and Ryan are in deep trouble...they've discovered a dark secret ... something that everyone in their hometown of Skeleton Creek, Oregon, seems to want to keep from them. Why? It just doesn't make sense. The answers are at the old, abandoned dredge. The last time the two teenage detectives went out to the creepy dredge, Ryan ended up unconscious and in a cast at the hospital. Ryan is stuck at home, but Sarah can continue to solve the mystery...

When thirteen-year-old Alexa embarks on a mysterious quest, she finds her old friends Yipes the little man, Murphy the squirrel, Odessa the wolf, and Squire the hawk have been designated to help her.

In the year 2051, when most Americans live in one of two gigantic, modern States, Faith Daniels, part of a dwindling group that lives between, learns that she, like other misfits, has unusual abilities that could help when the inevitable war begins.

Stanley Darrow isn't sure what to expect when the mysterious Mr. Gedrick appears on his doorstep. He is certain, however, that his family could use Mr. Gedrick s help: Their lives and their house have been a mess since Stanley's dad died.

After Atherton's three-tiered world collapses, ending the geographical division of the social classes, Edgar, Samuel, and Isabel try to restore the flow of water and uncover the world's mysterious origins in the process.

"In the year 2051, one group of telekinesis masters attempts to use their powers to stop another group of telekinesis masters from destroying the world"--