Oona and her best friend Otto love to search for treasure...and often find trouble instead. Messy trouble. Tricky trouble. Even shark-related trouble. That's never stopped them before, though! After all, no proper treasure hunt is without some adventure. But when the grandest treasure yet is stuck in a deep, dark rift, Oona's not sure if she can dive right in. What might be waiting for her in those unknown waters?

With their honor restored, Hal and his fellow Herons leave Skandia again on a new mission--to track down and stop Hal's nemesis, Tursgud, a bullying youth-turned vicious pirate and slave trader.

Ten brief cases allow the reader to match wits with ten-year-old crime-buster, Encyclopedia Brown, as he investigates such cases as whether a diary of George Washington's mother is authentic, or if a UFO picture supposedly taken by the army is real.

Ahoy me hearties! Join the Pants Pirates on a special treasure hunt. Grab your cutlass and sail on the Pirate Ship Black Bloomer past angry crocs, sharks in fancy pants and through gurgling swamps on a quest to find...the Pants of Gold! This hilarious new addition to the phenomenally successful Underpants series will not disappoint. You'll be yo-ho-ho-ing until the sails come down!

"Discover Borneo's Gomantong Cave, where literally millions of bats, cockroaches, spiders, and rats coexist--in pitch darkness. Learn about mythical creatures like the Mongolian Death Worm--and scarily real ones like killer bees, which were accidentally created by scientists in the 1950s. Visit New Orleans' Beauregard-Keyes house, where Civil War soldiers are said to still clash in the front hall. Plus ghost stories from around the world, a cross-cultural...

A vibrant concertina book that delves into the mysterious deep beneath the ocean's surface, all the way down to the seabed. The Sea Below My Toes explores all sorts of weird and wonderful marine creatures and the impact humans have on the underwater world.