Reddit mentions of Letts Cambridge IGCSE® – Cambridge IGCSE® Physics Revision Guide

Hi, I do iGCSE Physics, so I think I can help.

ZNotes

ZNotes creates some pretty nice note summary pages, so I'd take a look at them.

Oxford Revision Guides

CIE Students can buy Oxford's Revision Guides from Amazon. They have summary notes and past paper questions.

Although it matches the Oxford Textbooks, they are applicable to all CIE Students. Here is the Chemistry one...

Letts Revision Guides

Although I haven't used them, Letts also make some revision guides. I'm not sure how good they are though.

Here is the Physics one...

CIE Website

If she looks on the website, the old spec is still extremely relevant and has all the spec papers and support materials.

She could print off the spec and make notes (making sure she completely understands all the spec points along the way).

Papa Cambridge

This site has a tonne of past papers for all CIE Subjects

https://papacambridge.com/past-papers/cie/

Robert Martin Notes

These are by far the best notes I've found for iGCSE Science. \<3 He is literally my god right now (Thanks Robert, you're so amazing!!!)

https://igcsesciencenotes.wordpress.com/

I hope this helps a bunch! Good luck to her.