David Willoughby eBooks

Never Highlight a Book Again! Cram101 Textbook Outlines gives the student all of the highlights, notes, and optional access to the practice-tests for their textbook. Only Cram101 is Textbook Specific, >>

Never Highlight a Book Again! Just the FACTS101 study guides give the student the textbook outlines, highlights, practice quizzes and optional access to the full practice tests for their textbook.

This is a complete sourcebook of information on Horizontal Directional Drilling, the installation of pipelines and utilities beneath obstacles such as water and roadways. HDD is a fast-growing technology >>

All-the-answers guide to plastic pipingWritten by expert David Willoughby, a 20-year veteran in the field, Plastic Piping Handbook is a one-of-a-kind, comprehensive guide to the durable, economical piping >>