00704cam a2200229 4500 62124648 TxAuBib 20011210120000.0 011210s1973||||||||||||||||||||||||eng|u 72090825 /AC 9780448089522 0448089521 DLC DLC m.c. IFK TxAuBib Dixon, Franklin W. The shattered helmet / by Franklin W. Dixon. New York : Grosset & Dunlap, [1973] 180 p. : ill. ; 19 cm. His Hardy boys mystery stories 20011210. Mystery and detective stories. His Hardy boys mystery stories.