All books we sell are legal no problem of copyright, no  pirate books. There are some other things about our books, they are explained as below



Text Language

The books listed in the website have a language state,

Language: Chinese, means the text of the book is written totally in Chinese.
Language: English, means the text of the book is written totally in English.
Language: Chinese and English biligual, means the book is written in both Chinese + English.
Language: Chinese, Latin name, means the text of the book is written in Chinese, the scientific name also provided to each species. 
Language: Chinese with an English abstract , means the text of the book is written in Chinese, there is an English abstract in the begin or in
                    the end of the book.
Language: Chinese with English summary, means the text of the book is written in Chinese, with an English summary in the end of the
                    book,the English summary may be detailed.

Book Condition

Normally the books we sell in brand new condition, in the case the book was published long time ago such as belfore 1990, or in the case the book is hard to get,it may not be brand new.



About ISBN:

The books we selling are from publishers from China, there are also some research materials that edited by institutes have no ISBN. Since we are a bookseller from China, the books published before 1990 may have no ISBN. Also,the books listed in early time may have no ISBN because we have no adequate information in the time, we shall complete the information.


Book Exchang

Welcome any authors to send your publications advertising or exchange books with us.

Book Publishing

Welcome to contact us to publish your works.Especailly monographs  

E-Book:

Our E-book all in PDF file, it may be sent to you from email no shipping cost charge, or as a CD-ROM, 

E-Paper:

E-Paper is also in PDF file.