Der Schlussel Zum Besseren Gedachtnis
This volume appears to be self-help book with a focus on bettering concentration levels and comprehension.
Hard cover; 240 pp. written in German.
Delphin Verlag: Munich, 1986.
S/N:  0100-3526
$50
CONDITION
Very good.
WEIGHT
516gr / 16.6oz.
MEASUREMENTS
Length – 9.3in. / 23.6cm.
Width – 6.1in. / 15.5cm.
Thickness – 0.9in. / 2.2cm.
MARKS
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ADDITIONAL INFO
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