My Brother bought Susan Cooper's, 'The Dark is rising,' from a schools book-club, and after reading it, I devoured, 'Over Sea, Under Stone,' and 'Greenwitch,' before waiting around 6 months for, 'The Grey King,' and a further 2 years for, 'Silver on the Tree.'
The fact that I still own copies of the entire series nearly 40 years later, is all the answer you need - and why I was most disappointed with the crude attempt to film, 'The Dark is Rising.'
Christopher Ecclestone ( The Black Rider); When I read the book.....
Interviewer; You must've been the only one on that project who did !