i have see above post just now and and even it be an old comment and i must react . the original story of vuk the fox have be write by a hungarian author and istván fekete in the 1950 . the book become very popular and so the animation have be create 1981. the author die in 1970 and so the answer for the question represent be the glacier fox the story he use and be no . the story itself be very sweet and enjoyable for kid and for adult as well . nowdays it be even recommended book for elementary school child and so if you find the book version and do not hesitate to buy it . for small kid the comic book be available also . have fun with the book or vhs or dvd as well positive .