The Adirondack Kids Book 9 Legend of the Lake Monster. For more than 400 years, hundreds of people have claimed to have seen a strange creature in Lake Champlain. Is it a dinosaur with fins? Is it a giant fish with the head of a horse? Is there anything mysterious lurking in those deep waters at all? Join best friends Justin Robert, Jackie Salsberry and Nick Barnes – The Adirondack Kids – on their quest for the answer. Recommended ages 7 to 12. Pages: 73. Size: 5.5′ x 8.5′.