The Pure Imagination books, for the most part, are magazine size trade paperbacks and run about 160 pages. Stories are reproduced in black and white (Cover/back covers are in color).Most retail for $25.
I'll start digging out the Wood volumes-here's the contents of the first-
WILD WOOD (2010)
Cover/Back cover-color illos (from unidentified sci-fi digests?)
Title page-another sci-fi digest half tone illo
copyright page-unidentified illo-western theme (1950s?)
Intro by Greg Theakston-"I Pissed Off Wally Wood"-13 pgs-(contains mini-interviews with Joe Orlando, Dan Adkins, Ralph Reese and Paul Kirchner)-several spot illos by Wood & co. (and also repros Wood's famous "22 Panels That Always Work").
Illos from Planet Stories Sept 1953-(pulp)-2 pgs-
2 Sabu stories from Sabu Comics #30 (1)-June 1950-Fox-17 pgs-
Dorothy Lamour story from Dorothy Lamour Jungle Princess #3-Aug 1950-Fox-8 pgs-
Lariat Lucy story from unidentified Trojan pulp (per JVJ)--8 pgs-same story was later printed (in censored form) in Trojan's Western Crime Busters #10-April 1952.
Sci-fi digest illos-19 pgs-(Galaxy and Worlds of Tomorrow)-c1957-1963-
Commercial art illos-8 pgs-1950s-1970s-(includes the Prince Valiant page Wood did)
Girls-7 pgs-humorous work done for men's magazines-1950s-1960s
Avon Inside Front Covers-8 pages-(Strange Worlds #3 & 5, Space Detective#2 & ?, Police Line-Up#1, Murderous Gangsters#1,Mask of Fu Manchu, An Earth Man on Venus)-all 1951
Humor Art-10 pgs-ad parodies-c. 1963
Fantastic Voyage-Western-1967-32 pgs-
story (w. Ditko) from The Destructor #2-Seaboard-April 1975-
Greg doesn't always ID the original source of the stories (and sometimes he mis-IDs them) but I've done my best to get the correct info here.
Best
Joe