Maybe a bit sturdier hole punch:

https://www.amazon.com/AmazonBasics-3-Hole-Punch-Sheet-Capacity/dp/B07VVB87Y1/ref=sr_1_17_sspa?crid=97AQKBWVG0Z4&keywords=hole+puncher+3+ring&qid=1653858810&sprefix=hole+punch%2Caps%2C143&sr=8-17-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFHWE5KSU5LM0Y1TE0mZW5jcnlwdGVkSWQ9QTA3NzM0OTkyU0dRS0xJOVNFMDFCJmVuY3J5cHRlZEFkSWQ9QTAxNjcyOTcyNEEyMUs2VFVLMkZXJndpZGdldE5hbWU9c3BfbXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==

I prefer thinner spike-effective but not something glaring the audience might stare at:

https://www.amazon.com/gp/product/B000QDVNH0/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&th=1

I just like these:

https://www.amazon.com/gp/product/B001B0ALZW/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

Love Sheet Protectors:

https://www.amazon.com/gp/product/B07X7WYKP9/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

The toolkit series is great. I teach SM's so...:

https://www.amazon.com/gp/product/0367406373/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

Good book for analyzing a script:

https://www.amazon.com/s?k=backwards+and+forwards&crid=2E9A19ILOCJ6N&sprefix=backwards+and+for%2Caps%2C144&ref=nb_sb_ss_ts-doa-p_1_17

This books a bit dated but a good reference:

https://www.amazon.com/Audition-Everything-Actor-Needs-Know/dp/0802772404/ref=tmm_pap_swatch_0?_encoding=UTF8&qid=1653859596&sr=8-2

A couple of books filled with scripts:

https://www.amazon.com/Collected-Plays-Neil-Simon-Star-Spangled/dp/0452258707/ref=sr_1_2?crid=28NWPKM62RSIY&keywords=Neil+simon+collection&qid=1653859681&sprefix=neil+simon+collection%2Caps%2C99&sr=8-2

https://www.amazon.com/Arthur-Miller-Collected-1944-1961-Library/dp/193108291X/ref=sr_1_8?crid=2W78C2O7HWOXR&keywords=Arthur+miller+collection&qid=1653859725&sprefix=arthur+miller+collection%2Caps%2C108&sr=8-8

https://www.amazon.com/Sam-Shepard-Starving-Turista-Tongues/dp/0553346113/ref=sr_1_1?crid=P8ON6HMUBTTO&keywords=sam+shepard+plays&qid=1653859806&s=books&sprefix=sam+Shepard+plays%2Cstripbooks%2C132&sr=1-1

https://www.amazon.com/All-Timing-Fourteen-David-Ives/dp/067975928X/ref=sr\_1\_3?crid=2TY7YTIH1GKQU&keywords=its+all+in+the+timing&qid=1653859845&s=books&sprefix=its+all+in+the+timing+%2Cstripbooks%2C105&sr=1-3