Here is a sample takedown notice
Attention: Copyright Agent, Oceansof PDF.com
Pursuant to 17 USC 512(c)(3)(A), this communication serves as a statement that:
I am the copyright owner of [title of copyrighted material being infringed upon, and, if possible, additional identifying information such as ISBNs, publication dates, etc. – or, if the material is a web page, the URL]. My exclusive publisher is [insert name of publisher.]
My rights are being violated by the above material being freely available for download from your site at the following URL(s): oceanofpdf.com.
I have a good faith belief that the use of this material in such a fashion is not authorised by me, or my publisher or the law.
Under penalty of perjury in a United States court of law, I state that the information contained in this notification is accurate.
I may be contacted by the following methods (include all): [physical address, telephone number, and email address].
I hereby request that you remove or disable access to this material as it appears on your service as quickly as possible. Thank you.
[your full legal name]