Merge pull request #65 from carpentries/ErinBecker-patch-1

link to 2nd edition

episodes/01-week1_discussion_questions.md

@@ -22,7 +22,7 @@ exercises: 55
 
 ## Reading
 
-From [*How Learning Works*](https://www.worldcat.org/title/how-learning-works-seven-research-based-principles-for-smart-teaching/oclc/468969206):
+From [*How Learning Works*](https://search.worldcat.org/title/1373343202):
 
 - Foreword (pp. xiii - xv)
 - About the Authors (pp. xix - xxi)