- World History In Minutes
- About Time 1: The Unauthorized Guide to Doctor Who (Seasons 1 to 3)
- About Time 2: The Unauthorized Guide to Doctor Who (Seasons 4 to 6)
- About Time 4: The Unauthorized Guide to Doctor Who (Seasons 12 to 14) [Second Edition] (1)
- About Time 3: The Unauthorized Guide to Doctor Who (Seasons 7 to 11)