To the best of my knowledge, these are the only textbooks ever
published about the famous but unfortunate Macintosh BASIC by Apple
Computer. Books are in english language and in PDF format.

Content of the ZIP file:

Introduction to Macintosh BASIC
by Scot Kamins
Hayden Book, Hasbrouck Heights (NJ), 1984, 357 p.

The Macintosh BASIC Handbook
by Thomas Blackadar & Jonathan Kamin
SYBEX, Berkeley, 1984, ~840 p.

Using Macintosh BASIC
by Richard Norling
Osborne McGraw-Hill, Berkeley, 1985, 454 p.

This tiny collection has been uploaded with the intent to serve as the
"missing manuals" for the two versions of MacBASIC already found here
on the Garden. So, you will have the tools now to experiment.

MacBASIC .335 & MacBASIC 1.0
<http://macintoshgarden.org/apps/macbasic>
<http://macintoshgarden.org/apps/macbasic-10>

A 10-page article from Byte Magazine, with detailed description of
this innovative programming language, has also been added as a
complement:

"Macintosh BASIC -- A semicompiled language with tools designed to
simplify the writing of code"
by Scot Kamins, BYTE, April 1984, pp. 318-330.

Compatibility

These files are not OS dependant. They can be read on every modern
platforms with appropriate software.