I feel lost!

I was feeling so much better about this class until my last assignment.  I thoroughly referred to my textbooks to correctly label my books only to have failed miserablely.  I learn by example, but I am apparently reading the wrong examples.  I am very discouraged.  I will not except failure from myself.  My time has dwindled this semester because I have a new baby at home, so I try to tell myself that's why I am having trouble with this ISBD AACR stuff.  I used the practice assignment we were given and tried to fix those mistakes, only to make MAJOR ones on the graded assignment.  We are moving on to MARC and I have to get myself focused.  Wish me luck!!