Born in 1936 in Djakovo, lived in Osijek and since 2006 has lives in Rijeka as a retired clerk. Ruska is a member of the Croatian Writer's Association, Zagreb, the child and juvenile branch. She has published four novels for children and the young and two books of stories and fables. Her stories can be heard on Radio Zagreb and read in children's journals in Croatia and Bosnia and Herzegovina..
She has been writing Haiku and Waka since 1995, publishes in Croatian haiku magazines Vrabac/Sparrow, Haiku and Iris and joint collections with regard to the haiku meetings where she takes part over the years. In 1997. she published a haiku collection Brazde (The Furrows). She is a member of Croatian Haiku Society, Samobor and Association of Croatian Haiku Poets, Zagreb. For her haiku Ruska has received several awards and commendations in Croatia and Japan.
Covjek i lastavica / Haiku Zagreb No. 3 1996 // Duz rijeke sjene / International Kusamakura Haiku Competition 2000, Kumamoto, 3rd Prize // U crkvi / Contest HHD Samobor 1999 - Choice of haiku // U sjeni svjetiljke / Haiku Zagreb No. 17/18 2003 // Zraka sunca / Haiku-zbornik Ludbreg 2005 // Proljetni vjetar / Samobor Haiku Meeting Miscellany 2004 //
U zalasku sunca / Samobor Haiku Meeting Miscellany 2005 // Zlate se / Klostar Ivanic Haiku Meeting Miscellany 2005 //
Cistac ulice / Klostar Ivanic Haiku Meeting Miscellany 2006 // Jedan oblutak / Haiku Zagreb No. 19/20 2003 // Preletjeli & Po tragovima / Marijan Cekolj i Marinko Spanovic: Otvoren put/Free Road: Croatian Haiku Anthology, Samobor 1999//
Mjesecina / Haiku Calendar Rokovnik Ludbreg 2007 // Svaki tren / Vrabac/Sparrow, Croatian Haiku anthology 1990.-2005;
Moj odraz / International Kusamakura Haiku Competition 2007 Kumamoto 3rd Prize // Rascvjetalo sunce / Samobor Haiku Meeting Miscellany 2007 //