hi, i've studied 4 years in academy of printing, also i have 8 years experience in print design and dtp. Few years ago i've done similar book, it was nearly 340 pages in 3 languages (russian, german, english) i was doing both layouts and dtp.
For the last 2 years i work in publishing agency which produces one of most popular national newspaper and magazine. Dtp is everyday job for me, i'm preparing nearly 200 pages each week. One more think you should know: i'm fluent in russian.