digest?Digest-size magazine, including both standard digest size, at about 7" by 4.5", and also large digest, such as recent issues of Asimov's, which are about 8.25" by 5.125".
,
Green -
webzine?Used for Internet-based periodical publications which are otherwise not downloadable as an "ebook".
,
Orange -
ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.
,
Pink -
digital audio download?Digital recording in any format that is downloaded directly from the Internet. This category includes podcasts.
,
Red -
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
,
Yellow -
quarto?8.5" by 11" magazine, usually saddle-stapled, instead of side-stapled or glued
,
Black - all other formats
Books
Legend:
Green -
hc?Hardcover. Used for all hardbacks of any size.
,
Orange -
ebook?Used for all electronic formats, including but not limited to EPUB, eReader, HTML, iBook, Mobipocket, and PDF.
,
Red -
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.
,
Yellow -
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.
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