After K&R, it was 'Using C on the Unix System' by Dave Curry (~200+ pages). I also enjoyed the first edition of Learning Perl by Randall Schwartz (~200+ pages)

After K&R, it was 'Using C on the Unix System' by Dave Curry (~200+ pages). I also enjoyed the first edition of Learning Perl by Randall Schwartz (~200+ pages). This book introduced me to regular expressions.