@book{87276,
	author = {Wahl, Mark. and Horbett, Pam.},
	title = {A mathematical mystery tour :},
	publisher = {Zephyr Press,},
	year = {c1988.},
	address = {Tucson, Ariz. :},
	note = {Mystery tour guide, a newspaper, is published as a supplement designed to add practice of math skills through hands-on experiences and exercises.}
}