Book Description: Pocket Ref is an amazing reference containing 768 pages of tables, maps, formulas, constants and conversions, and it's now in Spanish! Best of all, it fits in your shirt pocket! Pocket Ref contains information on:-- Air & Gases-- Automotive-- Carpentry & Construction-- Chemistry & Physics-- Computers-- Electrical & Electronics-- First Aid-- General Information-- General Science-- Geology-- Glues, Solvents & Paints-- Hardware-- Math & Constants-- Mine, Mill & Aggregate-- Money-- North American Top 400 airports with elevation, name, code and area population-- Paints & Finishes-- Perpetual Calendar with holidays for all years from 1858 to 2025-- Plumbing & Pipe-- Rope, Cable & Chain-- Steel & Metals-- Surveying & Mapping-- Tools-- Water-- Weather-- Weights and Properties of Materials-- Welding--- World Wide Telephone Area Codes & International Access Codes-- 3500 Conversion Factors-- Comprehensive Index-- And MUCH, MUCH MORE!!!