I bought it as soon as it was announced (in a Dorico video, in July), at which time I could only order it from Amazon UK.
It’s a good start (it educated me for the first time about Lock To Duration, a brilliant feature that has saved my sanity) but one book can do only so much. The official manual has all the info in it somewhere (or will when it’s updated to the current version), but it really isn’t designed for browsing, to learn what else Dorico has that I might enjoy adding to my repertoire.
What I really hope for is a book filled with sample projects (a step more complex than the two in the Jones book), talking me step by step through the process (even perhaps educating me about such basics as optimum workflow habits, even down to hand placement). I know I say this tiresomely often here, but Daniel Spreadbury’s own detailed tutorial on the setting up of a choral multimovement service taught me an enormous amount about the workings of a program I’d already known for months. I wish there were dozens more like it, and this is something a book could provide.