Duck Calls of Illinois, 1863-1963 (Hardcover)
"A true gem.... An outdoors connoisseur's classic—the perfect companion to a fine French cognac and a great Cuban cigar.... Christensen sends us on a rich and well-told history of waterfowling in this pivotal state."
"Super.... This book is a must."—Decoy Hunter
"The definitive practical guide.... An excellent reference."—Decoy Magazine