Note: Ace Comics is comprised almost exclusively of King Features newspaper strip reprints.

Note: Softcover edition also exists.

Note: Comic strip reprints from 1938-1944. Alternative title (based on second of two title pages is 'Blondie'. Copyrighted by King Features Syndicate. Interior title is 'Blondie'. See also Blondie Feature Books published by McKay from 1942-1946, and Blondie Comics beginning in 1947 - information from Overstreet.

Note: First two unnumbered issues published in 1936 according to Dennis Gifford's American Comic Strip Collections 1884-1939.

Note: title combines newspaper strip reprints and some original material

Note: Twenty-five cents.

Note: Based upon the newspaper strip by Rudolph Dirks, illustrated by Harold H. Knerr and others; The Katzenjammer Kids also appeared in Feature Book (David McKay, 1937 Series) #30, #32, #35, #37, #41, #44 and were a regular feature in the newspaper strip anthology, Ace Comics (David McKay, 1937 Series) see also: The Captain and the Kids (various series) derived from the original strip.

Note: Comic strip reprints of King Features Syndicate titles. Mostly Sunday strips with a few dailys. Some original text stories with incidental illustrations.

Note: Contains full page 1-3 panel cartoons from magazines (Saturday Evening Post).

Note: Twenty-five cents.

Note: Shoe store giveaway. Same cover as Four Color #18.

Note: Uses photos and captions to give the reader clues to solving a crime.

Note: Twenty-five cents.

Note: Contains first 13 weeks of the newspaper strip.

Note: No real indicia. Newspaper reprints. Some say copyright 1938 and some 1939.