#19 The Secret of Phantom Lake

By William Arden (Dennis Lynds), 1973
RH Hardbound 1973
Keyhole PB 1984
Scholastic Books 1976 (scan is not in proportion)
Hitchcock Cover PB 1979
Random House Trade and GLB Hardbound Editions 

Cover Art: Ed Vebell 
Internal Illustrations: Jack Hearne
ISBN's: Trade Ed. 0-394-82651-5: GLB 0-394-92651-X

Trade Edition First Printing Identifier: Lists to "The Mystery of Monster Mountain" on the back cover AND the rear inner list only shows titles #17 - 20.

Other Trade Edition First Printing Traits: 
- Matte cover finish 
- Blue graveyard endpapers

Notes: A later printing of the Trade Edition was manufactured with the glossy cover finish. This printing lists to "The Mystery of the Dead Man's Riddle" on the back cover and it has the blue graveyard endpapers.
Scholastic Book Services Paperback Edition 

First Printed: January 1976 
Cover Art: Ed Vebell 
Internal Illustrations: None
ID#: TK 3393

First Printing Identifier: 12 11 10 9 8 7 6 5 4 3 2 1 numberline on the copyright page.
Random House First Paperback Edition 
"Hitchcock Cover"

First Printed: 1979 
Cover Art: Robert Adragna 
Internal Illustrations: None
ISBN: 0-394-84257-X

First Printing Identifier: 1234567890 numberline on the copyright page.
Back to Original Series page.
Random House Revised Paperback Edition 
"Keyhole Cover"

First Printed: 1984 
Cover Art: Robert Adragna 
Internal Illustrations: None
ISBN: 0-394-86419-0

First Printing Identifier: 1234567890 numberline on the copyright page.