1. <publication> Informal name for one of the four standard references on PostScript. The other three official guides are known as the Blue Book, the Red Book, and the {White Book}. ["PostScript Language Program Design", Adobe Systems, Addison-Wesley, 1988 (ISBN 0-201-14396-8)]. 2. <publication> Informal name for one of the three standard references on SmallTalk. Also associated with blue and red books. ["Smalltalk-80: Bits of History, Words of Advice", by Glenn Krasner (Addison-Wesley, 1983; QA76.8.S635S58; ISBN 0-201-11669-3)]. 3. <publication> The "X/Open Compatibility Guide", which defines an international standard Unix environment that is a proper superset of POSIX/SVID. It also includes descriptions of a standard utility toolkit, systems administrations features, and the like. This grimoire is taken with particular seriousness in Europe. See {Purple Book}. 4. <publication> The IEEE 1003.1 POSIX Operating Systems Interface standard has been dubbed "The Ugly Green Book". 5. <publication> Any of the 1992 standards issued by the ITU-T's tenth plenary assembly. These include, among other things, the dreadful X.400 electronic mail standard and the Group 1 through 4 fax standards. 6. Green Book CD-ROM. See also book titles. [Jargon File] (1996-12-03)

The Negro Motorist Green Book (also The Negro Motorist Green-Book, The Negro Travelers' Green Book, or simply the Green Book) was an annual guidebook for African-American roadtrippers. It was originated and published by African-American New York City mailman Victor Hugo Green from 1936 to 1966, during the era of Jim Crow laws, when open and often legally prescribed discrimination against African Americans especially and other non-whites was widespread.

Hannah Green, PhD is the fictional main protagonist of Adrian Praetzellis's textbooks-as-novels Death by Theory and Dug to Death, a series of two books that teach archaeological theory through story. The series has been seen by academics as a useful tool for teaching archaeology