#N/AAscher, AllenAssumpção, SÎniaBarberBaum, L. FrankBentley, KayBohlke, DavidBookworksBraatz, BirgitBradfield, BessBregstein, BarbaraBrenner, GailChamplin, Russell NormanCleary, MariaDahl, RoaldDavies, Ben ParryDellar, HughDickens, CharlesEditora EuropaFerreira, AdirFox, AnneFrazier, RichardGaynor, SuzanneGrépinet, VincentHerrera, MarioHughes, JohnLawless, Laura K.Martinez, RonMattos, Airton Pozo DeMAY, PETERMITCHELL, H.Q.NATIONAL GEOGRAPHIC LEARNINGParry Davies, BenPastura, Angela F. PerriconePelletier, DaniellePenalva, NuriaPinkley, DianePuchta, HerbertRaymond MurphyREED, SUSANNAHRochester, Myrna BellSaslow, JoanStempleski, SusanStevenson, Robert LouisSved, RobThompsonThorburn, JanTrevisanVåriosVårios autoresWenzel, DominiqueWilde, OscarWilkin, JenniferWoods, Geraldine