Edition Notes

Kindle Editions are published in blocks of 100, although in the most recent editions I release them like software updates, e.g. 17.1, 17.2, 17.3 in varied block sizes, sometimes a few as 10. The print edition is currently discontinued.

Original Edition: June 2006 (1-506)
First through Eighth Editions (Print and Kindle): July 2006-December 2019 (1-1899)
Ninth Edition: January 2020 (1900-1999)
Tenth Edition: March 2020 (2000-2099)
Eleventh Edition: March-August 2020 (2100-2199)
Twelfth Edition: August-November 2020 (2200-2299)
Thirteenth Edition: November 2020-January 2021 (2300-2399)
Fourteenth Edition: January 2021-May 2021 (2400-2499)
Fifteenth Edition: May 2021-July 2021 (2500-2599)
Sixteenth Edition: July 2021-July 2022 (2600-2699)
Seventeenth Edition: July 2022-