Exclude _book from npm package. Fixes #84
Exclude _book from npm package. Fixes #84
airbnb/enzyme,dustinsanders/enzyme,hartzis/enzyme,toddw/enzyme,toddw/enzyme,seejee/enzyme,CurtisHumphrey/enzyme,airbnb/enzyme,CurtisHumphrey/enzyme,hartzis/enzyme,dustinsanders/enzyme,seejee/enzyme