Sullivan Donald H Sullivan 
Pickles‘ Great Adventure [EPUB ebook] 

Contains two stories, the title story plus "A K9 Valentine" In the title story, Pickles often gazed through his chain link fence imagining the wonderful, exciting world out there. Then one day the opportunity arose for him to escape. Pickles wandered out into that wonderful world and found much, much more excitement than he ever imagined. In "A K9 Valentine" it’s Valentine’s Day and Susan’s class is making valentines and giving them to classmates. Susan hands her valentines out, but she is devastated when she does not receive a single valentine.