Here's one to add:

"Lake Champlain Lighthouses" published by and available from the Clinton County (NY) Historical Association, 518-565-4749.

This is a small 32 page booklet with write-ups on the 10 lighthouses. The centerfold features a map showing the locations of the lights. Illustrations are by Sid Couchey. In 2000 I paid $7.30 which included shipping.