@cpfuture
Assembler
Amiga Assember Insider Guide by Paul Overaa
ISBN: 1-873308-27-2
Mastering Amiga Assembler by Paul Overaa
ISBN: 1-873308-11-6
C
Mastering Amiga System by Paul Overaa
ISBN: 1873308-06-X
Mastering Amiga C by Paul Overaa
ISBN: 1-873308-04-6
I'm not sure how likely you are to find these books but hopefully having the ISBN numbers will help.