Danielle Fishel -- Boy Meets World Memoir ... Not Everyone 'Membas

Daniel Fishel's old “Boy Meets World” co-stars came out to show her some love at her book signing ... which is awesome. Now, whether the book is an awesome just depends on who you ask -- as the guys found out.

Little old ladies and 90s TV shows not called "Golden Girls" ... not a great mix. Who knew?