The Sexton Blake Library was a story paper of the first two-thirds of the 20th century, published by Amalgamated Press.

It featured the adventures of private detective Sexton Blake, his boy assistant Tinker and their dog Pedro.

[4] By the end of the first decade of the 20th century Sexton Blake was arguably the most popular detective in the boy story papers, featuring in weekly tales in the Union Jack.

[5][6] With the success of longer Blake tales in The Boys' Friend Library the Amalgamated Press decided to give him his own story paper.

[15] Issue # 1 1st series (1915) of The Sexton Blake Library was published on 20 September 1915, entitled "The Yellow Tiger" and written by George Hamilton Teed.

This issue featured popular Blake villains Wu Ling and Baron de Beauremon in an eleven-chapter story, costing 3d (1.25p).

[1] Issues #2 and #4 1st series (1915) Ill-Gotten Gains[16] and The Rajah's Revenge[17] were written by Andrew Murray and featured master criminals Professor Kew and Count Ivor Carlac in their first team ups.