From the Psi Phi's Star Trek Books Database
http://www.psiphi.org/cgi/upc-db/exc...743492536.html
http://www.psiphi.org/cgi/upc-db/exc...416509550.html
http://www.psiphi.org/cgi/upc-db/exc...743492536.html
http://www.psiphi.org/cgi/upc-db/exc...416509550.html