- *The little schemer*, by Daniel P. Friedman and Matthias Felleisen, currently $23 on [Amazon]
-(http://www.amazon.com/exec/obidos/ASIN/0262560992/ref=pd_sim_books/103-5471398-9229403#reader_0262560992).
+ *The Little Schemer*, by Daniel P. Friedman and Matthias Felleisen, currently $23 on [Amazon](http://www.amazon.com/exec/obidos/ASIN/0262560992/ref=pd_sim_books/103-5471398-9229403#reader_0262560992).