First UK editions of the three two Solar Pons collections, the Arkham House founder's pastiche homages to Doyle.

Signed first printing of this first full-length novel featuring detective Solar Pons, as recounted by his loyal chronicler Dr. Lyndon Parker.

Inscribed first printing of this second collection of Sherlockian pastiches by the founder of Arkham House, including an investigation of a fraudulent rare book auction of the Necronomicon.

First printing of this tale of Solar Pons, Derleth's Sherlockian detective, leading rival book collectors to seasonal regrets and repentance.