Lars Pearson

title	ISBN-13	year of publica- tion	other author(s)
About Time 6: The Unauthorized Guide to Doctor Who	978-0-9759446-5-3	2007	Tat Wood
AHistory: An Unauthorized History of the Doctor Who Universe	978-1-935234-24-1	2019	Lance Parkin
AHistory:An Unauthorized History of the Doctor Who Universe	978-1-935234-22-7	2018	"
AHistory: An Unauthorized History of the Doctor Who Universe	978-1-935234-23-4	2018	"
AHistory: An Unauthorized History of the Doctor Who Universe	978-0-9759446-6-0	2007	"
Ahistory: An Unauthorized History of the Doctor Who Universe	978-0-9725959-9-5	2006	"
Dusted: The Unauthorized Guide to Buffy the Vampire Slayer	978-0-9725959-0-2	2010	Lawrence Miles · Christa Dickson
I, Who 2: The Unauthorized Guide to Doctor Who novels and audios	978-1-57032-900-5	2010
I, Who 3: The Unauthorized Guide to Doctor Who novels and audios	978-0-9725959-1-9	2010
I, Who: The Unauthorized Guide to Doctor Who Novels	978-0-9673746-0-4	1999
Now You Know: The Unauthorized Guide to G.I. Joe TV and Comics	978-1-57032-902-9	2010
Prime Targets: The Unauthorized Guide to Transformers, Beast Wars and Beast Machines	978-1-57032-901-2	2010
Redeemed: The Unauthorized Guide to Angel	978-0-9725959-3-3	2006	Christa Dickson
Wanting to Believe: A Critical Guide to The X-Files, Millennium and The Lone Gun	978-0-9759446-9-1	2009	Robert Shearman