I picked up a copy of this off amazon after seeing the post. Not because I need it or I am struggling with turbocad. I actually think I have become somewhat proficient with the software now. But when I first started using turbocad, I had never used a cad package before, and had zero experience with cad. I actually gave up on turbocad twice, and only gave it a third shot after I found out about Dons website textual creations. If it wasnt for him and his tutorials, id be using a different cad package today. All that being said, I wish I had this book when I first started turbocad. It is actually a decent little read.
Now if you have had experience with other cad packages before using turbocad, you probably would not have any trouble at all learning it. But for anyone like me who had never used a cad package before...well learning turbocad isnt so easy. Its like a big black hole. There is a reason (other than being free) that fusion 360 and sketchup took off like wild fire. Thats becuase they understood that the software they made was only as good as its user. You can tell large amounts of time, resources and money went into training and learning materials with these packages.
Dont get me wrong, I love turbocad, and love using it...but it wasnt always like that. Is this book worth $50? I dont know, I suppose thats relative. But when IMSI charges $75 for a 1hr training session, $50 doesnt look so bad. I will say this is a nice and really the only book on turbocad, and if you are new to cad and need to learn tcad, Dons tutorials should be considered a must. He has some free ones on youtube and all are highly recommended. I think Ive done 5 of his tutorials now, and will probably buy at least one a year from him just to keep me on my feet as I am not an everyday cad user.