Tarzan and the Silver Globe (1964) Tarzan and the Cave City (1964) Tarzan and the Snake People (1964) Tarzan and the Abominable Snowmen (1965) Tarzan and the Winged Invaders (1965) Fritz Leiber – the first novel authorized by the Burroughs estate, and numbered as the 25th book in the Tarzan series.
Tarzan and the Silver Globe (1964) Tarzan and the Cave City (1964) Tarzan and the Snake People (1964) Tarzan and the Abominable Snowmen (1965) Tarzan and the Winged Invaders (1965) Fritz Leiber – ensimmäinen Burroughsin perikunnan valtuuttama kirja, lasketaan 25:ksi kirjaksi Tarzan-sarjassa.