I found it curious that I could not find a web page mentioning the author, Gary Gardner-Glynn, so that made me wonder whether he published just a "booklet" and not a full book. But, I did notice that the mentions of the book on-line have his name typed as above.
I searched on-line one more time for his name typed that way, and found out he has participated on the Message Boards at www.genforum.comhttp://genforum.genealogy.com/adams/messages/10555.html
There is a way to contact the author on that page.
Just a reminder to all researchers that there is a lot of good information on ancestors on the Message Boards at www.genforum.com
So, after you search the archives of the Lists and Boards at www.rootsweb.com
make sure you then check the archives of the Boards at the other, long-time, very good web site.
And, don't forget to use the other items on the home-page for www.rootsweb.com
For instance the "search the archives" feature and the "World-Connect" feature.
Betty (near Lowell, MA)
(There are many books about the ADAMS presidents.)