Paarfi has hinted (in Sethra Lavode) that Tukko is the author of the Book of the Seven Wizards, and has Tukko calling Sethra Lavode "Young One" -- this despite the fact that when Vlad asks Sethra how old Tukko is in Issola, she replies "Younger than I am". According to Paarfi, Tukko is the one who recognizes Morrolan e'Drien from the prophecy, and also is the one who clarifies what Sethra's focus should be in the upcoming struggle with Kâna. Paarfi depicts Tukko's behavior in private with Sethra Lavode as less formal than that of master and servant. Tukko's use of the term "Young One" is less than entirely respectful, regardless of the epithet's truth. He even presumes to dictate Sethra's choice of reading material at times. Ultimately we don't know if Paarfi is authoritative on these poin