The ISFDB is moving servers the week of 9/4.

Editing will be disabled on 9/6 until the database is migrated, and you may see either the old server or the new server while the domain name change propagates across the Internet.

You are currently on the NEW SERVER.

Compare Publications for Semper Mars

You are not logged in. If you create a free account and sign in, you will be able to customize what is displayed.

• Log In
• Help Navigating

• Home Page
• ISFDB Wiki
• ISFDB FAQ
• SF Calendar
• Author Directory
• Award Directory
• Publisher Directory
• Magazine Directory
• Statistics/Top Lists
• Recent Activity
• Cleanup Reports

• Edit Title Data
• Compare Publications
• Delete This Title
• Make This Title a Variant
• Add a Variant to This Title
• Add an Award to This Title
• Unmerge Titles
• Check for Duplicate Titles

• Add New Anthology
• Add New Chapbook
• Add New Collection
• Add New Fanzine
• Add New Magazine
• Add New Nonfiction
• Add New Novel
• Add New Omnibus
• Add Untitled Award

• Disclaimer
• Privacy Policy
• Banner Art Credits

Title: Semper Mars
Author: Ian Douglas
Date: 1998-05-00
Type: NOVEL

Select publications to compare:

	Title	Date	Author/Editor	Publisher/Pub. Series	ISBN/Catalog ID	Price	Pages	Format	Type	Cover Artist	Verif
	Semper Mars	1998-05-00	Ian Douglas	Avon Eos	0-380-78828-4	$5.99?$: US dollar	[6]+ 376	pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.	novel
	Semper Mars	2009-03-17	Ian Douglas	HarperCollins e-books	978-0-06-175144-8	$5.99?$: US dollar		ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.	novel
	Semper Mars	2012-12-06	Ian Douglas	Harper Voyager (UK)	978-0-00-748298-6	£1.99?£: UK pound		ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.	novel
	The Heritage Trilogy	2014-03-27	Ian Douglas	Harper Voyager (UK)	978-0-00-757264-9	£6.99?£: UK pound		ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.	omni
	Semper Mars	date unknown	Ian Douglas	Avon Eos	0-380-78828-4	$6.50?$: US dollar	376	pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.	novel
	Semper Mars	date unknown	Ian Douglas	Avon Eos	0-380-78828-4	$6.50?$: US dollar	376	pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.	novel
	Semper Mars	date unknown	Ian Douglas	Avon Eos	0-380-78828-4	$6.50?$: US dollar	376	pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.	novel	Paul Stinson
	Semper Mars	date unknown	Ian Douglas	Avon Eos	0-380-78828-4	$6.99?$: US dollar	376	pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.	novel	Paul Stinson

---

Copyright © 1995-2022 Al von Ruff and the ISFDB team
ISFDB Engine - Version 4.00 (2006-04-24)