Large scale, spiral bound road atlas at A3 size has been fully revised and updated. It contains 176 pages of clear detailed road mapping at a mainland map scale

New evidence this year corroborates the rise in world hunger observed in this report last year, sending a warning that more action is needed if we aspire to end

The essential introduction to the principles and applications of feedback systems—now fully revised and expanded This textbook covers the mathematics needed t

Describes the drawing of plane curves, cycloidal curves, spirals, glissettes and others.