Table:
Title | Contents | Pages | Published | ISBN
Volume 1 | The Iron Legion (issues 1–8) / "City of the Damned" (issues 9–16) / "Timeslip" (issues 17–18) / "The Star Beast" (issues 19–26) | 112 | July 2008 | ISBN 978-1-60010-189-2
Volume 2 | The Star Beast (issue 26 only) / "The Dogs of Doom" (issues 27–34) / "The Time Witch" (issues 35–38) / "Dragon’s Claw" (issues 39–45) / "The Collector" (issue 46) / "Dreamers of Death" (issues 47–48) | 120 | December 2008 | ISBN 978-1-60010-289-9
Volume 3 | Changes (issues 118–119) / "Culture Shock!" (issue 139) / "The World Shapers" (issues 127–129) / "The Life Bringer" (issues 49–50) / "War of the Worlds" (issue 51) / "The Spider-God" (issue 52) / "The Deal" (issue 53) / "End of the Line" (issues 54–55) / "The Freefall Warriors" (issues 56–57) | 128 | May 2009 | ISBN 978-1-60010-425-1
Volume 4 | Junk-Yard Demon (issues 58–59) / "The Neutron Knights" (issue 60) / "The Tides of Time" (issues 61–67) / "Stars Fell on Stockbridge" (issues 68–69) / "The Stockbridge Horror" (issues 70–75) | 152 | November 2009 | ISBN 978-1-60010-534-0
Volume 5 | Lunar Lagoon (issues 76–77) / "4-Dimensional Vistas" (issues 78–83) / "The Moderator" (issues 84, 86–87) / "Skywatch-7" (issue 58) | 104 | March 2010 | ISBN 978-1-60010-608-8
Volume 6 | The Shape Shifter (issues 88–89) / "Voyager, Parts 1–5" (issues 90–94) / "Polly The Glot" (issues 95–97) / "Once Upon A Time Lord" (issues 98–99) / "War-Game, Parts 1 & 2" (issues 100–101) / "Fun House" (issues 102–103) / "Kane\'s Story" (issue 104) / "Abel\'s Story" (issue 105) / "The Warrior\'s Story" (issue 106) / "Frobisher\'s Story" (issue 107) | 148 | December 2010 | ISBN 978-1-60010-793-1
Volume 7 | A Cold Day in Hell! (issues 130-133) / "Redemption!" (issue 134) / "The Crossroads of Time" (issue 135) / "Claws of the Klathi!" (issues 136-138) / "Keepsake" (issue 140) / "Planet of the Dead" (issues 141-142) / "Culture Shock!" (issue 139) / "Echoes of the Morgor!" (issues 143-144) | 128 | September 2011 | ISBN 978-1-61377-045-0
The Dave Gibbons Collection | The Iron Legion (issue 1-8) / City of the Damned (issue 9-16) / The Star Beast (issue 19-26) / Dogs of Doom (issue 27-34) / The Time Witch (issue 35-38) / Dragon’s Claw (issue 39-45) / The Collector (issue 46) / Dreamers of Death (issue 47-48) / The Life Bringer! (issue 49-50) / The War of Words (issue 51) / Spider-God (issue 52) / The Deal (issue 53) / End of the Line (issue 54-55) / The Freefall Warriors (issue 56-57) / The Neutron Knights (issue 60) / The Tides of Time (issue 61-67) / Stars Fell on Stockbridge (issue 68-69) | 372 | December 2011 | ISBN 978-1-61377-063-4
Volume 8 | Exodus (issue 108) / "Revelation" (issue 109) / "Genesis" (issue 110) / "Nature Of The Beast" (issue 111-113) / "Time Bomb" (issue 114-116) / "Salad Daze" (issue 117) / "Changes" (issue 118-119) / "Profits Of Doom" (issue 120-122) / "The Gift" (issue 123-126) | 152 | 23 October 2012 | ISBN 978-161377484-7
Volume 9 | Time And Tide (issues 145-146) / "Follow That TARDIS!" (issue 147) / "Invaders From Gantac" (issues 148-150) / "Nemesis Of The Daleks" (issues 152-155) / "Stairway To Heaven" (issue 156) / "Hunger From The Ends Of Time" (issues 157-158) / "Train-Flight" (issues 159-161) | 140 | December 2013 | ISBN 978-161377806-7
Omnibus 1 | Collects volumes 1, 2 & 3 | 356 | April 2010 | ISBN 978-1-60010-622-4
Omnibus 2 | Collects volumes 4, 5 & 6 | 400 | September 2011 | ISBN 978-1-60010-998-0
Omnibus 3 | Collects volumes 7, 8 & 9 | TBC | 2014 TBC | ISBN TBC

Question: tell me a volume that does not have more than 30 issues.
Answer: Volume 1

Question: how long, in pages, is volume 6 of doctor who classics?
Answer: 148

Question: when was the last doctor who classics volume published?
Answer: December 2013

Question: what volume is previous to the volume that included contents such as lunar lagoon, 4-dimensional vistas, the moderator, skywatch-7?
Answer: Volume 4

Question: how many total issues are there in volume 9?
Answer: 7

Question: the iron legion was published only in what issues of the doctor who classics?
Answer: Volume 1

Question: which of the existing omnibus (1 or 2) would have the most pages?
Answer: Omnibus 2