The Elfin Ship
This, the first volume in a trilogy, tells the story of Master Cheeser Jonathan Bing who sends his best cheeses downriver each year to the elves, in exchange for elfin treasures for the people of Twombly Town. When things go wrong, Jonathan has to set out to deliver the cheeses himself.
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James P. Blaylock
James P. Blaylock was born in Long Beach, California in 1950, and attended California State University, where he received an MA. He was befriended and mentored by Philip K. Dick, along with his contemporaries K. W. Jeter and Tim Powers, and is regarded – along with Powers and Jeter – as one of the founding fathers of the steampunk movement. Winner of two World Fantasy Awards and Philip K. Dick Award, he currently directs the creative writing programs at Chapman University. Blaylock lives in Orange CA with his wife. They have two sons.
Elfin
Elfin consists of three primary books, and includes one additional book that complement the series but is not considered mandatory reads. The current recommended reading order for the series is provided below.

