Unless you desire to OWN a ruined library book about going wee-wee in the potty, do not, I repeat, DO NOT leave it on the back of the toilet, where your 17 month old can reach it... during his bath.
I wonder how much books from the library about going wee-wee in the potty cost....
There is no saving this book.
But, Henry has gone two days without any accidents and with no promptings from me to use the bathroom. I'd call that potty trained, BABY!