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The latest version of the book is B4.0, released 9 days ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: B3.0 (01-Feb-18)
PDF page: 172
On your code starting below “Now let’s put it all together.” To keep your code consistent with your previous, hard-coded make-reader and make-write...more...
  • Reported in: B3.0 (01-Feb-18)
PDF page: 182
In the def of jaws, the building of a sequence of notes in the text using the construct (Note. pitch 2 duration) fails with the error: "Error refresh...more...
  • Reported in: B4.0 (11-Feb-18)
PDF page: 215
These observations may be due to the way I am testing examples as they appear in the text. Maybe more explanation is required to introduce the concept...more...
  • Reported in: B4.0 (11-Feb-18)
PDF page: 215
On my previous submission for this page, about changing :balance to ::balance, I realize that the error is probably when you created test-savings and ...more...