Assalamu ‘alaykum,
After reading our last post, a scholar and dear friend, Shaykh Ehzaz Ajmeri was kind enough to share the links for the supplemental audio to the books:
Book 1:
http://www.archive.org/details/arabicbyh-mp3-1
Book 2:
http://www.archive.org/details/arabicbyh-mp3-2
Book 3:
http://www.archive.org/details/arabicbyh-mp3-3
Bilal Ali