\u2018The title epitomizes Esbensen\u2019s creative presentation of an important concept: how whales differ from the fish they seem to resemble and share characteristics with other mammals.\u2026 An excellent addition to the Let\u2019s-Read-and-Find-Out series.\u2019\u2014K. \u2018Introduces a full range of information about whale anatomy, development, and behavior.\u2026 Esbensen\u2019s simple, informative text keeps its young audience clearly in view.\u2019\u2014BL.