We warmly recommend buying your own Rosh Hashanah and Yom Kippur Machzorim (prayer books).
We use the excellent Koren Machzor (Lee Family Edition) and will announce page numbers from this Machzor.
We are delighted to recommend Aisenthal Judaica as a great place to pick up your own copies https://aisenthaljudaica.com/
11 Ashbourne Parade Finchley Road London NW11 0AD – 0208 455 0501
If you want to use a Routledge you can use this table here to compare page numbers.
Check back on this page for a comparison for YK.
If you want to use an on-line Machzor, we recommend the Open Siddur Machzor here