Ascher, AllenAssumpção, SĂŽniaBarberBaum, L. FrankBelanger, M.Bentley, KayBohlke, DavidBraatz, BirgitBradfield, BessBregstein, BarbaraBrenner, GailChamplin, Russell NormanCleary, MariaDahl, RoaldDavies, Ben ParryEscott, JohnFerreira, AdirFischer, LuĂs AugustoFox, AnneFrazier, RichardG. de S. Neto, JosĂ© MariaGrĂ©pinet, VincentGuarino, ReinaldoHappy BooksHarkup, KathrynHerrera, MarioHughes, JohnLawless, Laura K.Lewis, BennyMario HerreraMartinez, RonMattos, Airton Pozo DeMITCHELL, H.Q.NATIONAL GEOGRAPHIC LEARNINGParry Davies, BenPastura, Angela F. PerriconePelletier, DaniellePenalva, NuriaPinkley, DianePuchta, HerbertRaymond MurphyREED, SUSANNAHRibeiro, Ana Cristina de MattosRochester, Myrna BellSaslow, JoanSRL, MoonStempleski, SusanStevenson, Robert LouisSved, RobThomas Nelson BrasilThompsonThorburn, JanVĂĄriosVĂĄrios autoresWenzel, DominiqueWilkin, JenniferWoods, Geraldine