What is huppel verjaar?

Some articles on huppel verjaar, huppel:

Wilhelm Otto Kühne
... Hoogenhout Award for Afrikaans children's literature for his book Huppel verjaar ... his six Huppelkind books Huppelkind (1958), Huppel maak 'n plan (1958), Wip-Huppel-Wip (1959), Vrolike Huppelkind (1959), Huppel by die water (1960) and Huppel verjaar (1960) published ... omnibus in 1976 (Vrolike Huppelkind), 1982 (Huppel en sy maats, reprinted in 1988), and in 1995 in a second revised edition ...