| Issue | #31 |
| Published | November-December 1956 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia says "Published bi-monthly". Cover credits form the GCD mailing list. |
| Characters | Lassie |
| Genre | Animal |
| Pencils | Mo Gollub (painting) |
| Inks | Mo Gollub (painting) |
| Colors | Mo Gollub (painting) |
| Notes | Indicia says "Published bi-monthly". Cover credits form the GCD mailing list. |
| Synopsis | Facts about the legend of El Dorado. |
| Genre | Fact |
| Letters | Typeset |
| Notes | Inside front cover. |
| Characters | Lassie; Rocky; Timbu; Cesar (trucker); Mayor of Rosario; Serdo (trucker); Magre (trucker) |
| Synopsis | The mayor of Rosario asks Rocky to act as a guide and advisor for the engineers who are going to build a new railroad. Serdo and Magre try to get the other truckers to sabotage the building of the railroad, so they can take over their businesses, expecting truck traffic to increase after the railroad has been built. |
| Genre | Animal |
| Pencils | Bob Forgione |
| Inks | Bob Forgione |
| Letters | Typeset |
| Notes | Art credits for this issue from David A. Roach via Steve Whitaker. Cesar, the trucker and would-be saboteur, first appeared as a circus strong man in 'King of the Amazon' in issue #28. |
| Characters | Lassie; Rocky; Timbu; Capitao Jorge; Diego Gomes (son of Luis Gomes); Luis Gomes (a seringueiro - rubber gatherer) |
| Synopsis | Lassie, Rocky and Timbu visit Luis Gomes to make a series of photos on the life of a seringueiro (rubber gatherer). On their way to gather rubber from the scattered trees, Luis hurts his leg. The next day his son Diego goes to the jungle to gather the rubber. Lassie and Timbu follow him, and with the help of Lassie's nose, trailing Luis' trip of the day before, they find the trees - and a whole lot more. |
| Genre | Animal |
| Pencils | Bob Forgione |
| Inks | Bob Forgione |
| Letters | Typeset |
| Synopsis | A dying indian gives Martin his dog, Pinto. Martin is going to the Fazenda Arosa to hunt down a jaguar, and he thinks the presence of a dog will make the job more difficult, but Pinto has a big surprise for him. |
| Letters | Typeset |
| Characters | Reina; Kugar (peccary); Tarr (brown panther orphan) |
| Synopsis | As Reina watches a herd of peccaries finish off a jaguar, she finds Kugar, the leader of the herd, charging against Tarr, apparently the cub of the killed jaguar. Having saved Tarr, she brings him up with her own slightly older cubs. |
| Genre | Animal |
| Letters | Typeset |
| Characters | Lassie; Rocky; Gerry; Timbu; Star (colt) |
| Synopsis | In the jungle, Lassie helps a colt fight off a jacare (alligator). The colt follows Lassie to the homestead where he is adopted by Timbu, who names him Star. Rocky wants to bring Star to Rosario to sell him, but on the way he gets hurt in a car accident, and Lassie helps him ride Star to town for medical treatment. |
| Genre | Animal |
| Pencils | Bob Forgione |
| Inks | Bob Forgione |
| Letters | Typeset |
| Characters | Tom; Jerry; Tuffy |
| Genre | funny animals |
| Pencils | Harvey Eisenberg |
| Letters | Typeset |
| Notes | Front cover of Tom and Jerry Comics #148. |
| Synopsis | Facts about the Pampas. |
| Genre | Fact |
| Letters | Typeset |
| Notes | Inside back cover. |
| Letters | Typeset |
| Notes | Inside back cover |
| Letters | Typeset |
| Notes | "Most beautiful bike in the world!" |