To jump start this losing cycle I read Hunger Free Forever - Tame Your Appetite and Tune Your Metabolism for Lifelong Weight Control by Michael T. Murray, N.D. and Michael R. Lyon, M.D.
If they had just left out the product placement it would have been fine (eat right, exercise, eat lots of fiber) but it was ruined by them shilling PGX. It is essentially a fiber supplement to regulate blood sugar. It seems silly to spend an arm and a leg (this sucker ain't cheap) on a pill that will impede the absorption of nutrients so you have to take a vitamin as well.
I found a study done on rats that concluded it doesn't do any harm, but some of the makers of it have been charged with making false and unsubstantiated claims.
So other than that bit of annoyance, the parts of about diet and exercise were good, but nothing new.