Durring the Exo-Force years, Lego released a total of 5 Exo-Force books, although 7 were scheduled to be released. The last two were canceled (Book 6 was found at a scholastic book fair for about a week or two, but was never sold anywhere else, and was discontinued soon after it was published). Book 6: Golden Doom (Discontinued and recalled soon after it was released) Book 7: Jungle of Danger (Cancelled)