Where are they?

'Perhaps the question should be, where are all the books like this one?' says Ruth
 Prof. Nathan Holder, author of the why books shared a review of his soon to be released book, Where are all the instruments, West Africa. Here's a link to his post on Linkdin:
 https://www.linkedin.com/.../urn:li:activity.../...
 Link direct to the review (if you don't use Linkdin):
  https://www.musicteachermagazine.co.uk/.../book-reviews...