★ An Edgar Award Finalist for Best Juvenile Mystery - A Bank Street College Best Book of the Year ★
When a mysterious book by the legendary writer Jules Verne falls into the hands of three unlikely friends, it sets off a treasure hunt like no other--get ready for a modern-day reimagining of The Goonies!

Owen Godfrey is spending his summer in Paris studying science fiction writer Jules Verne, the brilliant mind behind Twenty Thousand Leagues Under the Sea and Around the World in Eighty Days. When Owen and his new friends find what appears to be a dusty copy of Verne's collected works in an old bookshop, they're intrigued by the hidden codes written inside. As one clue leads to another, the trio gets swept up in an epic treasure hunt spanning the city--from the depths of the catacombs to the top of the Eiffel Tower, and by way of skateboard, boat, car, and even a hot air balloon! But they quickly realize they're not the only ones searching for the hidden riches, and that there are others who will stop at nothing to get to them first.

This fast-paced larger-than-life adventure is filled with action, high stakes, and three friends who are dead set on cracking the Jules Verne mystery.

"A fabulous adventure that reads like a dream vacation." --Sarah Ferguson, Duchess of York
"A wild acton-filled tale that lets readers use their brains to solve a fantastical mystery!" --David Mendel, Emmy Award-winning executive producer of "Veep"
"[An] epic adventure with laugh-out-loud humor and genuine middle-grade heart." --Micol Ostow, author of Nancy Drew: The Curse, Life is Better with Friends, and the Riverdale graphic novel collection

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