Send a letter like the following to make your claim:
VIA eMail at ISPHosting[at]isp.com
Re: Copyright Claim
To the ISP Hosting Company:
I am the copyright owner of the eBooks being infringed at:
This letter is official notification under the provisions of Section 512(c) of the Digital Millennium Copyright Act ("DMCA") to effect removal of the above-reported infringements. I request that you immediately issue a cancellation message as specified in RFC 1036 for the specified postings and prevent the infringer, who is identified by its Web address, from posting the infringing material to your servers in the future. Please be advised that law requires you, as a service provider, to "expeditiously remove or disable access to" the infringing material upon receiving this notice. Noncompliance may result in a loss of immunity for liability under the DMCA.
I have a good faith belief that use of the material in the manner complained of here is not authorized by me, the copyright holder, or the law. The information provided here is accurate to the best of my knowledge. I swear under penalty of perjury that I am the copyright holder.
Please send me at the address noted below a prompt response indicating the actions you have taken to resolve this matter.
/s/ Emily Dickinson
After the ISP receives the notice, it should remove the infringing materials.
Infringements are much too common these days. Fortunately, there are tools to fight them. The DMCA takedown notice is one of the more powerful ones.
This letter was adapted from one written by Attorney Carolyn E. Wright, a/k/a the "Photo Attorney®," a licensed attorney dedicated to the legal needs of photographers. Get more information at Carolyn's website, www.photoattorney.com, or in Carolyn's book, The Photographer's Legal Guide.
NOTE: The information provided here is for educational purposes only. If you have legal concerns or need legal advice, be sure to consult with an attorney.