i use comicrack for most of my mangas
its free on the net, you can download it here:
http://comicrack.cyolito.com/ComicRack is the best eComic reader and manager for Windows computers. It is an all-in-one solution to read and manage your eComic library. It is actively maintained, has a strong user base and is FREE.
Main Features
* Native 32 bit & 64 bit versions
* Supports reading cbz/zip/cbr/rar/cbt/tar/cb7/7z/pdf comics.
* Database management (extended info storage, thumbnails, quick search, smart searches, custom lists, etc.)
* Full screen reading mode with two page display, various zoom modes, auto rotation (for tablet PCs), etc.
* Smart parsing of file names for good initial values (series, number, volume, year etc.)
* Comic Library Network Sharing with optional password protection
* Custom display grouping, sorting, stacking and filtering
* Multiple views formats
* User definable Keyboard shortcuts
* Thumbnail generation with customization
* In-viewer extended info editing
* Batch conversion to cbz/pdf/cbt of all supported import formats
* And much, much more....
Supported Formats
* Reads: cbz, zip, cbr, rar, cbt, tar, cb7, 7z, pdf
* Exports: cbz, cbt, cb7, pdf