Jamie Lynn Spears is pregnant, Britney Spears is out of her mind, and their Mom Lynne Spears.was writing a book on Parenting for a Christian publishing company? Lynne Spears’ book about parenting has been delayed indefinitely. Pop Culture Mom: A Real Story of Fame and Family in a Tabloid World-this book should find a nice spot on the shelf, right next to If I Did It. How about a book on Hairstyle by Donald Trump or How to Boost Your IQ by George Bush? I’m sure the trailer trash Mom did the best she could with what she has to…