4. Percy Jackson: The Sea of Monsters by Rick Riordan
Things were going too well for Percy - school was going smoothly, his home life had improved, and it was nearly time to go back to Camp Halfblood for the summer. So of course he nearly gets killed during a dodgeball game with cannibals and finds out that his beloved Camp is on the verge of destruction. So into the Sea of Monsters he must go, to find the Golden Fleece, save his satyr friend, Grover, and face off against Polyphemus the Cyclops, just as Odysseus once did, this time accompanied by a new friend/relative, Tyson the Cyclops. Another fun tale of adventure - this one mirroring some of the dangers of the Odyssey - it kept both my daughters, my husband, and myself entertained and I can hardly wait to see what else the series has in store.