Even if the Acid Pro 3.0 ( https://fr.audiofanzine.com/produits/avis/?idproduit=11326/ ) for Eyrolles is extremely comprehensive and trs well done, I can m'empcher prfrer him his enemy ERRF published by CampusPress. Translated from amricain (a bit of nvrant see but a few exceptions prs, the best French-language works are actually translations of best-sellers amricains), it allows 24 chapters, 428 pages and a CD-Rom to tour the famous tracker Sonic Foundry. Acid is a software trs intuitive, so do not dployer of trsors of pdagogie to teach its use. However, the book is extrment clear, well thought out and as all audio files are read the tutorials on the CD-ROM, you really learn by practicing always with the understanding that the author explains. This is the only "small" dtail which I think gives him the advantage over the book Eyrolles. Espron that publishers will ritra the matter pending the release of a 4.0 Acid that is slow to come ...