Series consists of 3 issues from the Old Sleuth Library.
Publisher: George Munro
Date of First Issue (No. 1): Mar. 3, 1885
Date of Last Issue (No. 101): Mar. 3, 1905
First in Collection (No. 24): Feb. 22, 1886
Last in Collection (No. 33): Jan. 5, 1887
The Old Sleuth Library follows an irregular publication schedule, including bi-weekly, monthly and quarterly. The format is 8 x 12 inches, with 32-64 pages. Issues cost 10 cents (5 cents for later editions). Pictorial covers are b/w. Series contains detective stories written by Harlan Page Halsey under the pseudonym of Old Sleuth, but primarily features other detective characters besides Old Sleuth.