Download or read book My Little Pony: Friendship is Magic #41 written by Katie Cook and published by IDW Publishing. This book was released on 2016-04-06 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: ''Rainbow Dash's Very Bad Day'' A good day turns bad and Dash can't shake her bad mood. Before long, it infects all of those around her. What can cure this case of the grumpies?!