Home › Authors › Achim K. Krull 👤 Achim K. Krull b. 1945 ยท 2 books Biography New Math workbook/textbook: Tree House Press, "Mathematics for Work and Every Day Life" Books by Achim K. Krull Mathematics for WOrk and Every Mathematics for WOrk and Every Day Life 2010 Global forces of the twentieth Global forces of the twentieth century. Teacher's resource 1992