Here’s a short video clip showing some information on the eBook celebrating The Seventh Wave Festival of Electronic Music ..

HOW TO PURCHASE THE SEVENTH WAVE eBOOKS

Apple Books link..

‘The Seventh Wave Festival of Electronic Music’ eBook

https://books.apple.com/us/book/the-seventh-wave-festival-of-electronic-music/id6445570213?ls=1

‘Sounds of the Seventh Wave’ Supplement (free download or read online)

https://books.apple.com/us/book/sounds-of-the-seventh-wave/id6445601195