While it's fairly clear to the reader who is stealing the vegetables, we see all of the events from the pugs' perspective, so we can also understand why they are a bit in the dark. I do love the "dog's eye" view presented here-- we only see the legs of the humans, and occasionally hands that are feeding treats or petting the dogs. It's fun to see the dogs' list of the highlights of their vacation-- making new friends, relaxing outside, snuggling, playing, and of course, treats! That was the only thing that concerned me-- I hope that Rosy and Sunny's human takes them on lots of walks so that their extra treats don't cause any health problems!
This series is a step up for readers who have enjoyed the goofy early reader mysteries of Robert M. Quackenbush (Sherlock Chick, Henry) or Kin Platt (Big Max) but who like a few more pictures than Warner's The Boxcar Children or Roy's Alphabet Mysteries provide. The drawings are so much fun that this could also be a read aloud for a younger child who must leave a pet with someone else, and even my middle school students find these to be a bit of a "vacation" read!