A joy to review: Two books about primes and factoring: Rempe-Gillen, Lasse, and Rebecca Waldecker. Primality Testing for Beginners. Student Mathematical Library, American Mathematical Society, 2013. 244 pages, Paperback, $39. ISBN 978-0-8218-9883-3.Wagstaff, Jr., Samuel. The Joy of Factoring. Student Mathematical Library, American Mathematical Society, 2013. 293 pages, Paperback, $43.39. ISBN978-1-4704-1048-3. Issue 1 (2nd January 2017) - Ehme, Jeffrey