A re-used book ID is any ID number that was previously assigned to a different book. AbeBooks cannot guarantee the accuracy of a listing if a book number is re-used. When you delete or sell a book, it is necessary to 'retire' the associated ID number and use only new numbers for your new books. These can be numeric or alphanumeric, as long as they are unique. It is essential that each book record has a unique identifier.Please also ensure that in numerical fields, such as Publisher Year, that only figures are entered.

If you are using a database or spreadsheet package then this is quite easy to accomplish. All book records must contain exactly the same number of fields, in exactly the same order each field must be separated with the same type of delimiter. The data must be consistently arranged in a file.There are 3 things that we require in order to convert your book data to our format: The data must be tab or tilde (~) delimited, and must be saved as a text file (file type =. However, if you have your own book list already or you wish to use your own inventory management system we can set this up for you. We recommend that you use our free inventory management software HomeBase. With AbeBooks you can use a variety of file formats and software to upload your books, including: Access, Excel and FileMaker Pro.

Filemaker pro template for inventory