What used to be a biannual accounting of newly published books about books has become quarterly, it seems, which is good news for bibliophiles.

Book Dealer: Antiquarian & Rare
(207) 745-8498
Large antiquarian stock: over 20,000 old and rare books including strong holdings on (more)
Book Dealer: Antiquarian & Rare
(845) 264-7256
Via Biblio.com: mathematics & science; history of science; first-edition fiction (more)