All images below are linked to the Amazon US page but most of the books (except the AMS one) are available on the main ebook retailers and in all the countries they serve.
M.L. Humphrey: Amazon US Author Page
The print version of Excel for Self-Publishers is also available in color on Amazon: Excel for Self-Publishers
Juggling Your Finances
Cassie Leigh: Amazon US Author Page
Dating For Men
Dating for Women
M.H. Lee: Amazon US Author Page