Is love something to sniff? Is it something to bounce or pounce? Love is in the air! As Valentine’s Day approaches, Dog sniffs out the meaning of love and tries to figure out why there are so many paper hearts to chew. Of course, Baby is on the case, too—and they just might discover that love is all around them. For more in this beloved series, delight in new experiences all year long with Dog’s First Baby and Cat’s First Baby, and celebrate the winter holiday spirit with Dog’s First Christmas!