Nikolay Tellalov was born in 1967 in Sofia. From 1975 to 1984, he lived in the former USSR. In 1987, he enrolled at the Sofia Higher Institute of Chemical Technology, studying toward a B.Sc. in Chemistry; he dropped out in 1994. Later, he went through a variety of professions: a construction worker, a bank security guard, a postman, a baker, a bookseller, a carpenter. From 2001 to 2005, he worked as an editor at Kvasar Publishing House. Currently, he is a freelance translator from and into Russian.
Tellalov鈥檚 first publication was the novella 鈥�袛邪 锌褉芯斜褍写懈褕 写褉邪泻芯薪褔械鈥� (鈥淭o Wake a Dragon Girl鈥�) (1998), a contemporary fairy tale about the love between a human youth and a half-zmey girl, interweaving elements of Bulgarian mythology and history with realistic literature. It grew into the Zmey Cycle, so far consisting of the novels 鈥�笑邪褉褋泻邪 蟹邪褉褗泻邪鈥� (A Royal Decree) (2001), 鈥�袩褗谢薪芯蟹械屑懈械鈥� )Full Earth) (2003) 懈 鈥�小谢褗薪褑械 薪械写芯褋械谐邪械屑芯鈥� (Sun Untouchable) (2009). 鈥淭o Wake a Dragon Girl鈥� has had three paper editions and an electronic one; in 2000, it was voted by Bulgarian SF fandom as the second best Speculative Fiction Book of the 1990s. A similar vote declared A Royal Decree the Best Speculative Fiction Book of 2001, and Full Earth was included in the curriculum of the United World College of the Adriatic in 2004 and 2005.
Besides the Zmey Cycle, Tellalov has had a novel and a short story collection published. 鈥�10 薪邪 屑懈薪褍褋 写械胁械褌邪鈥� (10 to the Power of -9) (2007) describes a future dominated and shaped by nanotechnology. 鈥炐愋叫承敌恍� 锌邪蟹懈褌械谢懈鈥� (Guardian Angels) (2008) collects the eponymous novella and a number of short stories. Over the past ten years, Tellalov鈥檚 stories and novelettes have appeared in various Bulgarian anthologies and magazines. His foreign publications include Russian translations of a novella (鈥炐毿狙€芯薪邪褌邪 薪邪 屑褉邪胁泻懈褌械鈥�) (2005) and several short stories (2008).