In article <ca9c9d9f-b8c5-4128-b50a-2c1419e9701b@y4g2000yqy.googlegroups.com>,
in the comp.lang.ada Usenet newsgroup bj�rn lundin  <b.f.lundin@gmail.com> 
wrote:
[...]
>I suggested Concurrency in Ada by
>Alan Burns (Author), Andy Wellings (Author), John Barns (Foreword)
>http://www.amazon.com/Concurrency-Ada-Alan-Burns/dp/052162911X
>
>Great book
>
>/Bj�rn

FYI, a new edition of that book is available: among others it was updated
for Ada 2005.  Some more information:

Concurrent and Real-Time Programming in Ada
Alan Burns and Andy Wellings
July 2007
http://www.cambridge.org/uk/catalogue/catalogue.asp?isbn=9780521866972

You might want to consider updating your suggestion to this new edition?

Dirk