Crowe vs. Mulcahy

Hi everyone!

I'm just beginning my PMP journey. Based on research, I think I'm going to use the Prepcast courses (with exam bundle) and I'm trying to decide between the Rita Mulcahy book or the Crowe book. Recommendations if you were choosing between the two? I don't want to have a gazillion different study sources, but want to make sure I'm getting a pretty good overall understanding so that I can pass. I've heard Rita's version doesn't explain the ITTOs as well...