ISBN-13: 9781517162320 / Angielski / Miękka / 2015 / 32 str.
When, Grandpa, when is a story about a little girl and her dog helping Grandpa with maple sugaring. When, is about all the questions of when can we tap the trees? When can we gather the sap? When will the maple syrup be ready? An enjoyable, informative book with colorful illustrations that will be enjoyed by all.