[en] The View from Lazy Point Henry Holt and Co.

[en] Beyond Words · What Animals Think and Feel Henry Holt and Co.

[de] Die Intelligenz der Tiere · Wie Tiere fühlen und denken Beck, C.H. Verlag

[en] Eye of the Albatross Holt Paperbacks

[pt] Para lá das palavras · o que pensam e sentem os animais Relógio D'Água

[en] Song for the Blue Ocean St. Martins Press-3PL

[en] A Sea in Flames Crown Publishing Group

[en] Voyage of the Turtle · In Pursuit of the Earth's Last Dinosaur Henry Holt and Company

[it] Al Di Là Delle Parole Adelphi

[en] Becoming Wild Henry Holt and Co.