Thanks a lot Dominique and Jon !

"Dominique wrote:"
> I don't think it's a better deal though, it costs 180€ there, and it's
> "only" £85 (122€) on the flying frogs' site, so some taxes might be
> better :)

  A bug in my brain : for months I was sure to have read $85 instead of 85 pound sterling !

"Jon wrote:"
> However, you mention taxes and, although I do 
> not understand exactly what you have written, I do not believe any
> taxes are incurred because we are both within the EU.

  I believed it was 85 $ and then, seeing a higher french price and trying to explain the difference, I imagined huge taxes or exportation shipping cost.

> I would like to offer you a discounted copy of OCaml for Scientists at only £60.
> If you accept, I only ask that you write positive things about my book
> (assuming you like it!).

I cheerfully accept and promise, but in french, if you agree.
(I think to write a page explaining why I fall for Caml and forget C++. Can add another one about the lot of interesting things I'll discover in your book.)

Will contact you in private mail for this preferential order !

Regards,

 Fabrice