The first Tintin book, "Tintin in the Land of the Soviets" (in French: "Tintin au pays des Soviets"), was created by the Belgian cartoonist Hergé (Georges Remi) and was originally published in comic strip format in 1929. This marked the beginning of the Tintin series, and Hergé continued to write and illustrate Tintin adventures throughout his career. The series includes many iconic titles like "Tintin in the Congo," "The Blue Lotus," "The Secret of the Unicorn," and many more, which were published over several decades, becoming classics of the comic book world.