<!--- Filling this template is mandatory --> <!--- Provide a general summary of the issue in the Title above --> **Describe the issue** <!-- A clear description of what the bug is. --> First link at [here](https://github.com/radareorg/awesome-radare2#books) redirects somewhere else. **How to reproduce?** <!-- Tell us how to reproduce this issue. Please provide a demo or a set of steps that we need to take. --> Go to the section and visit the link. **Expected behavior** <!-- A clear and concise description of what you expected to happen. --> The link reaches a book on r2. **Possible fix** <!-- Not obligatory, but suggest a fix or reason for the bug --> Use [this link](https://book.rada.re/). **Screenshots** <!-- If applicable, add screenshots to help explain your problem. --> **Additional context** <!-- Attach relevant files or add any other context about the problem here. -->
