If you accidentally delete an e-book, you can try the following methods to recover it: 1 Use cloud storage services: If your e-books are saved in cloud storage services such as Google Drive or Dropbox, you can try to access them and recover the files. 2. Data recovery software: If the e-book is saved on the local computer, you can use data recovery software such as Recuva or EaseUS Data Recovery Wizard to try to recover the files. 3. Scanning the document: If the e-book is a scanned document, you can scan the document and upload it to an online scanner or an QR software to recover the text. 4. Search the Internet: If you know the name of the e-book or the author, you can try to search for files in the search engine to find possible files to recover. If none of the above methods work, it is recommended to contact the e-book publishing company or the digital rights service for further assistance and support.