Book 1

Rymdresan

by Christer Fuglesang
Sep 1, 2010
Swedish
Hardcover (109 pages)

Book 2

Sifferplaneten

by Christer Fuglesang, Johan Egerkrans
Apr 1, 2012
Swedish
Hardcover (139 pages)

Book 3

Vattenvärlden

by Christer Fuglesang, Johan Egerkrans
Sep 17, 2012
Swedish
Hardcover (164 pages)

Book 4

Det svarta hålet

by Christer Fuglesang, Johan Egerkrans
Nov 11, 2013
Swedish
Hardcover (170 pages)

Book 5

Schackjakten : farbror Albert lär dig det historiska spelet

by Christer Fuglesang, Jesper Hall, Jonas Laurell
Oct 1, 2015
Swedish
Hardcover (181 pages)