 Each part includes something on food, cooking and gourmet ideas.Each planet has something of the corresponding color (e.g., the Preria features orange sky and the first human met by the Walker, is a red, even orange-covered kid).In the Orange part, there appears a "cowboy" whose name is not revealed but it's hidden in the paragraph describing him; by reading only capital letters you get the name "Semetskiy" (for several years, Russian and Ukraininan SF writers included a character of this name who had to be killed in this or that way.