A review by mrsgrievous
Oh Crap! Potty Training: Everything Modern Parents Need to Knowto Do It Once and Do It Right by Jamie Glowacki

3.0

Would not advise reading this if you have C-PTSD. The method is useful, but the author kind of drags you through the dirt, and it was triggering.

Edit: Avoid the first couple of chapters if parental neglect is triggering to you. I ended up reading this again and used it throughout our potty-training journey. The method does work.