Theycontain Story Digest (8.5 has 1 to 8, and 13.5 has 9 to 13), Characters (short explanation of characters and their powers), World Guide (explanation of Lore) and Side Stories. 8.5 had 14 short stories, but 13 of them where old that you could get (like retailer bonus) and one was new. 13.5 will at least have a new short story about Testarossa. HKLUE5.