- Series: The Unauthorized Guide to Doctor Who Series Record # 11613
- Sub-series of: Doctor Who Universe
- The Unauthorized Guide to Doctor Who
- 1 About Time 1: The Unauthorized Guide to Doctor Who - Seasons 1 to 3 (2006) [NF] by Lawrence Miles and Tat Wood
- 2 About Time 2: The Unauthorized Guide to Doctor Who (Seasons 4 to 6) (2006) [NF] by Lawrence Miles and Tat Wood
- 3 About Time 3: The Unauthorized Guide to Doctor Who (Seasons 7 to 11) (2004) [NF] by Lawrence Miles and Tat Wood
- 4 About Time 4: The Unauthorized Guide to Doctor Who (Seasons 12 to 17) (2004) [NF] by Lawrence Miles and Tat Wood
- 4.1 About Time 4: The Unauthorized Guide to Doctor Who (Seasons 12 to 14) (2023) [NF] by Tat Wood
- 4.2 About Time 4: The Unauthorized Guide to Doctor Who (Seasons 15 to 17) (2023) [NF] by Tat Wood
- 5 About Time 5: The Unauthorized Guide to Doctor Who (Seasons 18 to 21) (2005) [NF] by Lawrence Miles and Tat Wood
- 6 About Time 6: The Unauthorized Guide To Doctor Who (Seasons 22 To 26, The TV Movie) (2007) [NF] by Tat Wood
- 7 About Time 7: The Unauthorized Guide to Doctor Who (Series 1 to 2) (2013) [NF] by Tat Wood
- 8 About Time 8: The Unauthorized Guide to Doctor Who (Series 3) (2017) [NF] by Dorothy Ail and Tat Wood
- 9 About Time 9: The Unauthorized Guide to Doctor Who (Series 4, the 2009 Specials) (2019) [NF] by Tat Wood