He has written two books on Jean Sibelius and is the editor of www.sibelius.fi (available in four languages). He is also the author of Suomalaiset kapellimestarit – Sibeliuksesta Saloseen, Kajanuksesta Franckiin (Finnish conductors – Sibelius to Salonen, Kajanus to Franck), which won the Tieto-Finlandia non-fiction prize in 2010. The book will be published in German in 2017.