Calibre 2.42 发布，此版本更新内容如下：
新特性
Driver for the new NookGlowlight Plus. This device only allows sending of files inside the NOOK folder, so calibre now follows that limitation.
When converting AZW4 files to PDF, skip the conversion and simply unwrap the PDF file already embedded inside the AZW4 file.
Metadata download review dialog: Add an option to mark rejected books in the main book list after the review is completed.
Closes tickets: 1507198
Edit Book: Spell check dialog: Add a button to undo the last spelling change
Bug 修复
Edit metadata dialog: When downloading metadata with download of authors turned off, do not regenerate the author sort field after the download.
Closes tickets: 1510335
Fix a regression that broke the heuristic used to detect cover images in some EPUB files that do not specify their cover metadata.
Closes tickets: 1509642
Edit Book File List: Fix pre-selection of filename when renaming a file in the root
Tag mapper: Fix bug when replacement tag has comma in it and the replacement rule is not the last rule
改进新闻源
Sueddeutsche.de
NRC
Various Polish news sources
Pocket
Calibre是电子书管理软件，支持Amazon、Apple、Bookeen、Ectaco、Endless Ideas、Google/HTC、Hanlin Song设备及格式，功能十分强大。
软件详情：http://calibre-ebook.com/
下载地址：http://calibre-ebook.com/download
来自:开源中国社区
