https://hot4share.com/r81f3oq6ic4d/macOS_Catalina_Tricks_And_Tips_-_7th_Edition__2021.pdf.html

or
https://rapidgator.net/file/44daf7a66e440b4d8547be250b91550b/macOS_Catalina_Tricks_And_Tips_-_7th_Edition,_2021.pdf.html