Warren Martyn and Adrian Wood , the authors of the book I Ca n't Believe It 's a Bigger and Better Updated Unofficial Simpsons Guide found that it was `` a real tear-jerker '' and praised Grampa believing everything he saw was death .
Warren Martyn and Adrian Wood , who were the authors of the book I Ca n't Believe It 's a Bigger and Better Updated Unofficial Simpsons Guide found that it was `` a real tear-jerker '' and praised Grampa believing everything he saw was death .