Starred review from April 24, 2006
In a feat worthy of his heroic subjects, Riordan crafts a sequel stronger than his compelling debut in this second adventure in the Percy Jackson and the Olympians series. After a group of Laistrygonians (giant cannibals) infiltrate the dodgeball game at Percy's alternative Manhattan school, and his friend Annabeth (a daughter of Athena, introduced in the first book) comes to the rescue, the two take the homeless scholarship student Tyson with them to Camp Half-Blood, where trouble is brewing. Percy soon realizes that Tyson is a Cyclops (meaning they're half-brothers and possibly enemies—both sons of Poseidon) and learns that someone poisoned the sacred Thalia's tree, which protects the "magic borders" of the demigod camp. Riordan catches readers up seamlessly on this world in which gods still reign; he builds on existing subplots and rivalries, and introduces harrowing new challenges as Percy and Annabeth set off across the Sea of Monsters on a quest to find the Golden Fleece, which will heal Thalia's tree. Percy's relationship with Tyson and their battle against the Cyclops guarding the Fleece (Polyphemus) brings up probing questions about shame, family and loyalty. With humor, intelligence and expert pacing, the author uses this tale of believable teens and their high-stakes struggle to bring the mythical lore up to date (e.g., Hermes, appropriately, invented the Internet). A cliffhanger imparts new meaning to the prophesy (mentioned in the first book) and leaves no question that Percy's high-stakes battle for Western Civilization will continue to surprise even himself. Ages 10-up.

October 1, 2006
Gr 5-9-In this sequel (Miramax Books, 2006) to Rick Riordans "The Lightning Thief" (Hyperion, 2005; Listening Library, 2005) 13-year-old Percy is just finishing up his school year and is looking forward to another great summer at Camp Half-Blood with all the other demigods. But even before school ends, things start happening, and soon Percy is at camp along with Tyson, a homeless kid adopted by Percys school. At camp, Percy not only discovers that Tyson is a Cyclops and a son of Poseidon, which makes him Percys half-brother, but also that the camp is in trouble. Theres a quest to rescue Percys friend, Grover the satyr, and to retrieve the Golden Fleece. The plot zips along with plenty of action; lots of mythological monsters, titans, and gods; and a leavening of humor. Jesse Bernstein does a good job of giving Percy a youthful voice in this first-person narrative, while at the same time creating appropriate voices for the other characters. Listeners who have not read or listened to the first book in the projected trilogy will want to do so before the next installment is published."Sarah Flowers, Santa Clara County Library, CA"

Copyright 2006 School Library Journal, LLC Used with permission.

Starred review
This action-packed book (second in a series) will delight fans of Percy Jackson, the half-blood son of Poseidon, as Percy once again battles mythical monsters in modern-day settings while on his mission to save the tree that guards Camp Half-Blood. Narrator Jesse Berns helps listeners slip right into the oddly engaging world that Riordan creates, in which contemporary teen characters and those from classical mythology intermingle. Berns is so good at accurately portraying teenagers that it's hard to recall he isn't one; Percy's sarcasm and disdainful tones ("Dude?") are just right, though Berns also reveals his ability to become a satyr, cyclops, or guinea pig ("Reep! Reep!") as required. Berns keeps the pace masterfully taut while also allowing listeners time to revel in the book's humor. J.C.G. Winner of AudioFile Earphones Award