Mine too! Excellent puzzle, got stuck for a while, used a tiny bit of 2-D/edge logic and it all unravelled beautifully. Fully logical, thanks very much.

That was pretty hard, thought I was stuck more than once, but it really turns out to be completly logical. Thank you!
And, yeah, good book! :D.

Excellent!

Amazing! And really difficult.

Hard one! But so glad I stuck with it.Brilliant!

Very good!

WOW Thank You!!