Croucher has written many textbooks on mathematics and statistics for McGraw-Hill Australia, including Quantitative Analysis for Management 6e (2020), Mathematics and Statistics for Business 6e (revised) (2016) and Statistics: Making Business Decisions (2001), Croucher has also written many trade books, including Love by Numbers (Woodslane, 2011), The Secret Language (ABC Books, 2010).
Number Crunch ( Pan Macmillan, 2006), Eighteen Months on the Toilet (Woodslane, 2010 ), 637 Gorillas on the Run (Woodslane, 2010), Exam Scams (Allen and Unwin, 1996) and Great Frauds and Everyday Scams (Allen and Unwin, 1997) Croucher has PhD degrees in history from both Macquarie University and the University of Technology Sydney.
Croucher also has an honorary doctorate from Divine Word University in Papua New Guinea.
[1] and was the recipient of the Prime Minister's Australian University Teacher of the Year award in 2013.
[5] Between 200 and 2012 he was the author of the popular Number Crunch column for the Good Weekend[6] in the Sydney Morning Herald and The Age in Melbourne.