updated Entrepreneurship details in books.txt
updated Entrepreneurship details in books.txt

Connexions/cnx-rulesets,Connexions/cnx-recipes,Connexions/cnx-rulesets,Connexions/cnx-recipes,Connexions/cnx-rulesets,Connexions/cnx-rulesets,Connexions/cte,Connexions/cnx-recipes,Connexions/cte,Connexions/cnx-recipes,Connexions/cnx-recipes