John D. Lenk Books

What we find when we look under rocks,
What we find when we look under rocks,

By Frances L. Behnke

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Describes the physical characteristics and habits of the animals living under rocks and in the soil including the slug, millipede, earthworm, and ant.

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Lenk's video handbook: Operation and troubleshooting
Lenk's Audio Handbook: Operation and Troubleshooting
Lenk's Rf Handbook: Operations and Troubleshooting
Lenk's Laser Handbook: Featuring CD, DV, and CD-ROM Technology
Lenk's Digital Handbook: Design and Troubleshooting
Lenk's Television Handbook: Operation and Troubleshooting
Lenk's Video Handbook
Lenk's Video Handbook

By John D. Lenk

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McGraw-Hill Electronic Testing Handbook: Procedures and Techniques
McGraw-Hill Circuit Encyclopedia and Troubleshooting Guide, Volume 1

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