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Difference between 1st and 2nd version of "How to Design Programs" (HTDP)

i searched the internet for hours, but didn't find a satisfying answer to what's the difference between the first and second version of HTDP (How to design programs)?

Why should I start with the second version, instead of the first one? As the second edition is not completed yet, I fear that I might get to the point where I have to switch back to the first edition.

The problem is:

  1. To which part/chapter of the first edition?
  2. Can I switch back and forth at all? Isn't the second edition totally different structured? Or are the individual chapters between those two version compatible?

I hope, someone can help me.

Solution

  • Start with the second edition. Unless you are an instructor, use the draft version not the stable one.

    Switch to the first edition for Parts V and VI for now. I am developing replacements now but no promises.

    Parts VII and VIII will not be replaced.