Purchase intent

This survey is for the attention of those who await the availability of languages or versions that are not yet available.
This survey will allow us to estimate the amounts at best to be printed in the first place to satisfy everyone.

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> Will you buy the book when published (french version is available) ?
Yes ...............................May be ...............................No

> Will you buy the PDF or printed version ?
PDF version ...............................Printed version

> You will choose the book in which language ?
French (available) ...............................English ...............................Spanish

> How many copies you will buy ?
1 ...............................2 ...............................3 ...............................More

> Your name...

> Your email adress...

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