Add invocation of python script to assemble-book
Add invocation of python script to assemble-book

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