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+Before disabling any content in relation to this takedown notice, GitHub
+- contacted the owners of some or all of the affected repositories to give them an opportunity to [make changes](https://docs.github.com/en/github/site-policy/dmca-takedown-policy#a-how-does-this-actually-work).
+- provided information on how to [submit a DMCA Counter Notice](https://docs.github.com/en/articles/guide-to-submitting-a-dmca-counter-notice).
+
+To learn about when and why GitHub may process some notices this way, please visit our [README](https://github.com/github/dmca/blob/master/README.md#anatomy-of-a-takedown-notice).
+
+---
+
+**Are you the copyright holder or authorized to act on the copyright owner's behalf?**
+
+Yes, I am the copyright holder.
+
+**Are you submitting a revised DMCA notice after GitHub Trust & Safety requested you make changes to your original notice?**
+
+No
+
+**Does your claim involve content on GitHub or npm.js?**
+
+GitHub
+
+**Please describe the nature of your copyright ownership or authorization to act on the owner's behalf.**
+
+I am the [private] and copyright owner of the book "Introduction to Probability: 2nd Edition". The book is sold by Athena Scientific, a publishing company, which I own. The book's site is http://www.athenasc.com/probbook.html
+The book is also sold through google play. Page 2 of the free sample displayed at https://play.google.com/books/reader?id=-oNZEAAAQBAJ&pg=GBS.PR2&hl=en carries the following copyright notice:  
+[private]  
+All rights reserved. No part of this book may be reproduced in any form by any
+electronic or mechanical means (including photocopying, recording, or informa- tion storage and retrieval) without permission in writing from the publisher.
+
+**Please provide a detailed description of the original copyrighted work that has allegedly been infringed. If possible, include a URL to where it is posted online.**
+
+The copyrighted material that is infringed is the full 538-page book book "Introduction to Probability: 2nd Edition". The book is sold by Athena Scientific, a publishing company, which I own. The book's site is http://www.athenasc.com/probbook.html  
+The book is also sold through google play. Page 2 of the free sample displayed at https://play.google.com/books/reader?id=-oNZEAAAQBAJ&pg=GBS.PR2&hl=en carries the following copyright notice:  
+[private]  
+All rights reserved. No part of this book may be reproduced in any form by any
+electronic or mechanical means (including photocopying, recording, or informa- tion storage and retrieval) without permission in writing from the publisher.
+
+**What files should be taken down? Please provide URLs for each file, or if the entire repository, the repository’s URL.**
+
+The file that violates my copyright is at
+
+https://github.com/duttashi/learnr/blob/master/resources/helpful_books/math%20concepts/Dimitri%20P.%20Bertsekas%2C%20John%20N.%20Tsitsiklis-Introduction%20to%20Probability%2C%202nd%20Edition-Athena%20Scientific%20(2008)%20(1).pdf
+
+**Do you claim to have any technological measures in place to control access to your copyrighted content? Please see our <a href="https://docs.github.com/articles/guide-to-submitting-a-dmca-takedown-notice#complaints-about-anti-circumvention-technology">Complaints about Anti-Circumvention Technology</a> if you are unsure.**
+
+No
+
+**<a href="https://docs.github.com/articles/dmca-takedown-policy#b-what-about-forks-or-whats-a-fork">Have you searched for any forks</a> of the allegedly infringing files or repositories? Each fork is a distinct repository and must be identified separately if you believe it is infringing and wish to have it taken down.**
+
+Yes but have not found any
+
+**Is the work licensed under an open source license?**
+
+No
+
+**What would be the best solution for the alleged infringement?**
+
+Reported content must be removed
+
+**Do you have the alleged infringer’s contact information? If so, please provide it.**
+
+The infringer is  
+[private]  
+[private]  
+[private]  
+[private]  
+
+**I have a good faith belief that use of the copyrighted materials described above on the infringing web pages is not authorized by the copyright owner, or its agent, or the law.**
+
+**I have taken <a href="https://www.lumendatabase.org/topics/22">fair use</a> into consideration.**
+
+**I swear, under penalty of perjury, that the information in this notification is accurate and that I am the copyright owner, or am authorized to act on behalf of the owner, of an exclusive right that is allegedly infringed.**
+
+**I have read and understand GitHub's <a href="https://docs.github.com/articles/guide-to-submitting-a-dmca-takedown-notice/">Guide to Submitting a DMCA Takedown Notice</a>.**
+
+**So that we can get back to you, please provide either your telephone number or physical address.**
+
+[private]  
+
+**Please type your full legal name below to sign this request.**
+
+[private]