1. 01. English Non Fiction The secret ghost : a mystery with distance and measurment / by Thielbar, Melinda. Publication: Minneapolis, MN : Graphic Universe, 2010 . 46 p. : 23 cm. Date:2010 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction The lost key : a mystery with whole numbers / by Thielbar, Melinda. Publication: Minneapolis : Graphic Universe, 2010 . 45 p. : 23 cm. Date:2010 Availability: Copies available: (1), Actions:
3. 01. English Non Fiction The fishy fountain : a mystery with multiplication and division / by Thielbar, Melinda. Publication: Minneapolis : Graphic Universe, 2011 . 1 v. (unpaged) : 23 cm. Date:2011 Availability: Copies available: (1), Actions:
4. 01. English Non Fiction The ancient formula : a mystery with fractions / by Thielbar, Melinda. Publication: Minneapolis : Graphic Universe 2011 . 46 p. : 23 cm. Date:2011 Availability: Copies available: (1), Actions: