THE FINAL ADVENTURES OF SOLAR PONS ... Edited and Introduced by Peter Ruber. [Shelburne, Ontario, Canada: The Battered Silicon Dispatch Box], 1998. Octavo, cloth. First edition. Collects "Terror Over London" (i.e. "The Adventure of the Clubs"), a short novel featuring Solar Pons written by Derleth in 1928, and six short stories, two written in collaboration with Mack Reyonlds, all discovered in Derleth's papers in the 1990s. A fine copy in fine dust jacket. (#164169).
First Edition / ... / November 1998" on copyright page.