One Boy Jack McKinley is an ordinary kid with an extraordinary problem. In a few months, he's going to die. One Mission Jack needs to find seven magic loculi that, when combined, have the power to cure him. One Problem The loculi are the relics of a lost civilization and haven't been seen in thousands of years. Seven Wonders Because they're hidden in the Seven Wonders of the Ancient World. The thrills begin in The Colossus Rises, the first installment in the epic seven-book adventure series Seven Wonders, from master storyteller and bestselling 39 Clues series author Peter Lerangis. The highly anticipated series has received early praise from Rick Riordan, author of the Percy Jackson series, who says, "A high-octane mix of modern adventure and ancient secrets, The Colossus Rises is Lerangis's most gripping work yet. Young readers will love this story. I can't wait to see what's next in the Seven Wonders series!"