The Outer Space Mystery

ISBN: 9780807562871

×÷Õß: Gertrude Chandler Warner

³ö°æÉç: Albert Whitman & Co

³ö°æÄê: 1997-1

Ò³Êý: 128

¶¨¼Û: 36.00Ôª

×°Ö¡: Pap

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At an astronomy conference, the Aldens meet Mark who has made an important discovery. Then someone steals Mark's papers.