Shogakukan I Spy! 7 Treasure Island by Jean Marzollo The cover shows signs of use, but the inside is relatively clean. [Contents] The 7th installment of the popular I Spy! series. Find the pirate's map and set off on a treasure hunt. This hide-and-seek picture book is exciting and thrilling, with settings like a harbor town, an antique shop, a cave, and a deserted island, where you search for hidden objects. Hugely popular worldwide! The I Spy series.