Resource
Be sure to click on "Adjust Donation" and "Custom Amount" and then max out the amount going to the Python Software Foundation. (From $1.75 to $24.50!)
For $30 you get the following ebooks from No Starch Press:
978-1718501928 2021 Automate the Boring Stuff with Python, 2nd Edition 978-1593275891 2014 DevOps for the Desperate 978-1593278632 2018 How Linux Works, 3rd Edition 978-1593271411 2007 The Book of Kubernetes 978-1593274764 2013 PowerShell for Sysadmins 978-1593278922 2018 Practical Vulnerability Management 978-1593272036 2010 Practical SQL, 2nd Edition 978-1593275099 2013 Practical Linux Forensics 978-1718500884 2021 Eloquent JavaScript, 3rd Edition 978-1718503007 2023 Cybersecurity for Small Networks 978-1593279943 2020 The Linux Command Line, 2nd Edition 978-1593279523 2019 Web Security for Developers 978-1718501485 2022 MySQL Crash Course 978-1593279929 2019 Designing Secure Software 978-1593279509 2018 Network Programming with Go 978-1718501966 2021 Practice of Network Security Monitoring 978-1718501065 2022 Network Flow Analysis 978-1593279882 2020 Absolute FreeBSD, 3rd Edition 978-1593279189 2020 Absolute OpenBSD, 2nd Edition 978-1718502642 2022 Linux Firewalls 978-1718500402 2021 Pentesting Azure Applications 978-1718502482 2022 The Book of PF, 3rd Edition