The Wanderer or The Sultan's Renegade (in the UK) is a 1949 novel by Mika Waltari

Mika Waltari

Mika Toimi Waltari was a Finnish writer, best known for his best-selling novel The Egyptian .- Early life :...

, part 2 of 2, telling of the adventures of a young Finnish man, Mikael Karvajalka, in 16th century Europe. It tells the story how Mikael turns from Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 to Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

 and rises to a high state in the court of Suleiman the Magnificent

Suleiman the Magnificent

Suleiman I was the tenth and longest-reigning Sultan of the Ottoman Empire, from 1520 to his death in 1566. He is known in the West as Suleiman the Magnificent and in the East, as "The Lawgiver" , for his complete reconstruction of the Ottoman legal system...

. There are many actual historical events in this book, but how Mikael gets involved in them is fictitious.

See also:

• The Adventurer-- part 1.