By Mary Pope Osborne, Illustrated by Sal Murdocca

Where did the strange tree house in the woods come from? Before Jack and Annie can find out, the mysterious tree house whisks them back to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark...or will they become a dinosaur's dinner?

Softcover containing 80 pages.

By Dav Pilkey

This all-new graphic novel, from the creator of the best-selling Captain Underpants series, tells the sensational saga of 2 silly cave kids named Ook and Gluk (Note: "Ook" rhymes with "duke" and "Gluk" rhymes with "duck"). Ook and Gluk have a pretty awesome life growing up together in Caveland, Ohio in 500,001 BC. But their lives take a turn for the terrible when an evil corporation from the future invades and conquers their quiet, prehistoric village.

When Ook, Gluk, and their little dinosaur pal, Lily are pulled through a time portal to the year 2222 AD, they discover that the world of the future is even worse than the one they came from.

Fortunately, they find a friend in Master Wong, a Martial Arts instructor. Master Wong trains the 2 cave boys in the ways of Kung Fu, so that they may one day return to the past and save their village. But when their moment of destiny arrives, will Ook and Gluk have the strength and wisdom to defeat killer robots, mecha-dinosaurs, and time-traveling terrorists?

Find out in "The Adventures of Ook and Gluk: Kung-Fu Cavemen from the Future". Featuring the world’s cheesiest animation technology, "Flip-O-Rama" in every chapter!

Softcover containing 176 pages