Never Know Who is Reading Your Books...
When I was reading Wicked Charms by Janet Evanovich I was surprised she mentioned research I had written about in my book, so I sent her a signed copy along with an early copy of Sub Rosa its sequel.
Here is the letter from Janet Evanovich:
Here is a page from her Wicked Charms book mentioning research in my book:
Pick up the book that mystery writers dig; Salem Secret Underground: The History of the Tunnels in the City and Sub Rosa! Available at all good book sellers!