The following titles come highly recommended by any combination of the Library Journal, Booklist, Kirkus Reviews, Publishers Weekly and School Library Journal:

• Reference books (Rise of the GN, Bristol Board Jungle)
• All in Educational:
  • The Discovery in Comics series
  • Stan Mack's book on the American Revolution
• Rick Geary's Treasury of Victorian Murder
  Recommended as core for historical true crime by Library Journal (9/1/12)
• All Classics Adaptations
• All in fiction
• Good for YA (besides most of above):
• Dungeon
• Zombillenium