If you’d like to purchase the book, the fastest way is through the publisher:

https://global.oup.com/academic/product/music-direction-for-the-stage-9780199993406?q=joseph%20church&lang=en&cc=us

or in paperback:

https://global.oup.com/academic/product/music-direction-for-the-stage-9780199993413?q=joseph%20church&lang=en&cc=us

If they are sold out, it’s also on Amazon:

http://www.amazon.com/Music-Direction-Stage-View-Podium/dp/0199993416/ref=sr_1_1?ie=UTF8&qid=1419951975&sr=8-1

and Barnes & Noble:

http://www.barnesandnoble.com/w/music-direction-for-the-stage-joseph-church/1120159067?ean=9780199993413

Thanks and Happy New Year to all!

Joe