Voggenreiter Voice Coaching (anglais)

This looks to be a very comprehensively constructed book on the topic of voice coaching. It suffers a little from less-than-ideal translation from the original German into English (or maybe it is the Author's less-than-ideal grasp of English?) but that aside each item is discussed in great detail. So much so, that it is a little, at the outset of working through the book, somewhat daunting.
I am hoping that with the combination of further reading (over each section, slowly) and with the aid of the accompanying CD what is achieved is improvement in how I sing and how I perform.
Time will tell. The book was excellent value at Bax Music - much cheaper than other suppliers.