Billy and Rose are back--and prone to serious discussion--in four charming stories about the ups and downs of negotiating friendship. The diligent sheep and the mellow pig who debuted in Billy and Rose: Forever Friends are back--and they have strong opinions! Even best friends can disagree, whether the topic is books (tall blue books versus fat red ones), rain (will it or won't it?), the perils of a bad hair day (should Rose...