The 2023 ISWA Book is officially available in digital format.  Each member will be mailed a copy of the 2023 ISWA Publication within the next 30 days.  Note the ISWA mails one copy, per member household.  These mailing addresses are pulled from last years membership database.  If you have moved reach out to your your former mailing addressee.  

https://www.iswa.com/page/show/3228700-iswa-publication