71. | | Autor: Ruiz Peña, Jaime | |
72. | | Autor: Falkenberg Ambrosio, Carmen | |
73. | | Autor: Franco, Rui d Orey Soares | |
74. | | Autor: Stevenson, Jan | |
75. | | Autor: Rubio Gil, Ángeles | |
76. | | Autor: Iverson, Kathleen | |
77. | | Autor: Muñiz Aguilar, Daniel | |
78. | | Autor: Burnett. John J. Coautor: ; Baker, Heather Bender | |