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Title: Perpetual Motion

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Title: Perpetual Motion Title Record # 57959
Author: L. Sprague de Camp
Date: 1950-00-00
Type: SHORTFICTION
Length: novella
Series: Viagens Interplanetarias
Webpages: Wikipedia-EN
Language: English
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Other Titles

Variant Titles Translations
Year Title
1950 Wide-Open Planet
Year Language Title
1977 Dutch Perpetuum Mobile
1991Translated by Joachim Pente
German Perpetuum Mobile
2009Translated by Claude Mamier
French Mouvement perpétuel [as by Lyon Sprague de Camp]

Publications

Displaying all variants and translations • Do not display translationsDo not display variants or translations

Title Date Author/Editor Publisher/Pub. Series ISBN/Catalog ID Price Pages Format Type Cover Artist Verif
Future Combined with Science Fiction Stories, September/October 1950 1950-09-00 ed. Robert W. Lowndes Columbia Publications, Inc.   $0.20 100
pulp?Magazine using the common pulp size: 6.5" by 9.5". For ISFDB purposes this may also be used as a designation for the quality of the paper. There are some untrimmed pulps that are as large as 8" by 11.75
mag Leo Morey Checkmark
The Continent Makers and Other Tales of the Viagens 1953-00-00 L. Sprague de Camp Twayne Publishers   $2.95 272
hc?Hardcover. Used for all hardbacks of any size.
coll Herbstman Checkmark
The Continent Makers and Other Tales of the Viagens 1971-11-00 L. Sprague de Camp Signet / New American Library Q4825 $0.95 xvi+
255
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.
coll Bob Pepper Checkmark
The Continent Makers and Other Tales of the Viagens 1971-11-00 L. Sprague de Camp Signet / New American Library of Canada Q4825 C$0.95 xvi+
255
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.
coll Bob Pepper Checkmark
The Continent Makers and Other Tales of the Viagens 1974-00-00 L. Sprague de Camp Remploy 0-7066-0543-8 £1.60 255
hc?Hardcover. Used for all hardbacks of any size.
coll Checkmark
The Queen of Zamba 1977-00-00 L. Sprague de Camp Dale Books 0-89559-006-9 $1.50 224
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.
coll Jack Gaughan Checkmark
De Bouwers van het Continent 1977-12-00 L. Sprague de Camp Bruna (Bruna SF #81) 90-229-9081-8   319
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.
coll Karel Thole Checkmark
The Queen of Zamba 1982-05-00 L. Sprague de Camp Ace Books 0-441-69658-9 $2.50 229
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.
coll Paul Alexander Checkmark
The Queen of Zamba 1982-11-00 L. Sprague de Camp Ace Books 0-441-69658-9 $2.50 229
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.
coll Paul Alexander  
Die Kontinente-Macher 1991-12-00 L. Sprague de Camp Heyne (Heyne Science Fiction & Fantasy #4893) 3-453-05572-1 DM 9.80 267
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.
coll Paul R. Alexander Checkmark
La saga de Zeï 2009-07-09 Lyon Sprague de Camp Bragelonne (Trésors de la SF #7) 978-2-35294-314-3   552
tp?Trade paperback. Any softcover book which is at least 7.25" (or 19 cm) tall, or at least 4.5" (11.5 cm) wide/deep.
omni Stacy Ntarumbana  
The Continent Makers and Other Tales of the Viagens 2011-09-29 L. Sprague de Camp Gateway / Orion 978-0-575-10359-7 £2.99  
ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.
coll  
The Queen of Zamba 2011-09-29 L. Sprague de Camp Gateway / Orion 978-0-575-10320-7 £2.99  
ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.
coll  
Wide-Open Planet / And Then The Town Took Off 2013-05-24 L. Sprague de Camp, Richard Wilson Armchair Fiction (Armchair Fiction Double Novel #100) 978-1-61287-146-2 $12.95 216
tp?Trade paperback. Any softcover book which is at least 7.25" (or 19 cm) tall, or at least 4.5" (11.5 cm) wide/deep.
omni  
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