The Edexcel AS revision guide is 108 pages, 20,800 words.
More details here: AS Edexcel Revision Guide £5.00
Network license for schools
For schools, I am making available as a network license allowing unlimited use, with word doc.
Coming soon
I will be finishing A2 revision guide.
I will soon be bringing out revision guides for AQA, OCR, Welsh board and Cambridge International