Magisterium

Black, Holly & Clare, Cassandra: Rautakoe. Magisterium 1. (The Iron Trial, 2014).

Black, Holly & Clare, Cassandra: Kuparikoura. Magisterium 2. (The Copper Gauntlet, 2015).

Black, Holly & Clare, Cassandra: Pronssiavain. Magisterium 3. (The Bronze Key, 2016).

Black, Holly & Clare, Cassandra: Hopeanaamio. Magisterium 4. (The Silver Mask, 2017).

Black, Holly & Clare, Cassandra: Kultainen torni. Magisterium 5. (The Golden Tower, 2018).