Having managed to get a hold of a copy of the Starry Wisdom Library (unfortunately sold out on this site), The Dagon Collection was a no brainer - and if at all possible, this book is even more entertaining than the aforementioned!
Wonderfully packaged and quickly delivered (even the invoices from the HPLHS are works of art!), I would not hesitate to recommend this fantastic book to any HPL/Innsmouth fan in your life!