Clasificación de la Biblioteca del CongresoQL801-950.9

anatomy(366) animals(2,212) artwork(9) bat(5) beach(51) biology(392) birds(99) bodies(19) body(115) body parts(147) children(111) children's(139) children's picture book(14) creature(8) dedication(19) differences(11) early reader(22) easy reader(22) educational(28) elementary(14) environment(25) evolution(106) eyes(102) fish(32) funny(22) Grade 2(23) health(33) human(9) human anatomy(13) humans(13) informational(228) informative(34) insects(65) juvenile(39) juvenile non-fiction(34) kids(45) life science(80) literary nonfiction(49) lizards(20) mammals(77) medical(23) medicine(22) nature(223) ocean(101) oceans(19) photographs(16) photography(37) physiology(40) picture book(492) prediction(10) preschool(22) primary(18) reference(98) reptiles(65) research(39) science(1,260) science nonfiction(30) sea life(16) skeleton(102) skin(9) snakes(22) teeth(161) turtles(33) vision(18) vocabulary(52) whales(16) what if(7) wild animals(25) wildlife(14) wings(15) younger(8) youth(19) zoo(20) zoo animals(14)