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@@ -19,14 +19,16 @@ It can help you check whether your answer to some of the homework questions work
 
 There is now a [library](/lambda_library) of lambda-calculus arithmetical and list operations, some relatively advanced.
 
+There's also a page of [[miscellaneous lambda challenges and advanced topics]].
+
+
+
 <!--
   To play around with a **typed lambda calculus**, which we'll look at later
   in the course, have a look at the [Penn Lambda Calculator](http://www.ling.upenn.edu/lambda/).
   This requires installing Java, but provides a number of tools for evaluating
   lambda expressions and other linguistic forms. (Mac users will most likely
   already have Java installed.)
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