An anonymous reader writes: Just weeks after the retailing giant began pressuring the publisher on pricing by delaying shipping and cutting discounts, it is now refusing orders for coming books. The retailer began refusing orders late Thursday for coming Hachette books, including J.K. Rowling’s new novel. The paperback edition of Brad Stone’s “The Everything Store: Jeff Bezos and the Age of Amazon” — a book Amazon disliked so much it denounced it — is suddenly listed as “unavailable.” In some cases, even the pages promoting the books have disappeared. Anne Rivers Siddons’s new novel, “The Girls of August,” coming in July, no longer has a page for the physical book or even the Kindle edition. Only the audio edition is still being sold (for more than $60). Otherwise it is as if it did not exist. Amazon is also flexing its muscles in Germany, delaying deliveries of books issued by Bonnier, a major publisher.