Listmania!
Books to feed your inner geek
Thud! (Discworld Novels)Thud! (Discworld Novels) by Terry Pratchett
Buy used from: £0.01
The ultimate geek author
The "Times" Killer Su DokuThe "Times" Killer Su Doku by Wayne Gould
Buy new: £4.48 / Used from: £0.01
Or any of the million other su doku books clogging the aisle of your local bookshop
Are You a Geek?Are You a Geek? by Tim Collins
Buy used from: £0.01
Obviously
Eats Shoots & Leaves: The Zero Tolerance Approach to PunctuationEats Shoots & Leaves: The Zero Tolerance Approach to Punctuation by Lynne Truss
Buy used from: £0.01
Language pedants unite
Harry Potter and the Half-blood Prince: Adult Edition (Harry Potter 6)Harry Potter and the Half-blood Prince: Adult Edition (Harry Potter 6) by J.K. Rowling
Buy new: £11.39 / Used from: £0.22
An adult edition of a children's book must be geeky
Schott's Original MiscellanySchott's Original Miscellany by Ben Schott
Buy new: £6.62 / Used from: £0.01
...and the tide of useless information that followed
Serenity: The Official Visual CompanionSerenity: The Official Visual Companion by Joss Whedon
Buy new: £10.19 / Used from: £7.27
And just about any companion to anything
The Curious Incident of the Dog in the Night-timeThe Curious Incident of the Dog in the Night-time by Mark Haddon
Buy new: £4.64 / Used from: £0.01
Contains list of prime numbers
Doctor Who: Shooting Scripts (Doctor Who (BBC Hardcover))Doctor Who: Shooting Scripts (Doctor Who (BBC Hardcover))
Buy new: £12.34 / Used from: £3.45
Actually, he's called 'The Doctor' not 'Doctor Who'
The Klingon Dictionary: English/Klingon, Klingon/English (Star Trek)The Klingon Dictionary: English/Klingon, Klingon/English (Star Trek) by Marc Okrand
Buy new: £6.33 / Used from: £0.21
Okay, so I haven't really read this