The AWK Programming Language is great too. Every technical book should be written this way: describe feature, show feature through example, include cookbooks of useful commands.
https://ia903404.us.archive.org/0/items/pdfy-MgN0H1joIoDVoIC...
https://ia903404.us.archive.org/0/items/pdfy-MgN0H1joIoDVoIC...