I just released the new book for the labs/PBQs yesterday if it helps. It's 2.99 while I wait for the paperback proof to arrive in the post.
https://www.amazon.com/dp/B0BBPXT1KR
Regards
Paul
There is a lab book you can check out:
https://www.amazon.com/gp/product/B0BBPXT1KR
I wrote it.
regards
Paul