The illustrated glossary at the back is both helpful and pretty.
Cameron Hydraulic Data 18th Edition Second Printing by C.C. Heald | 1995
What stands out about this activity book is the mix of puzzles for all ages.
Cameron Hydraulic Data (18th Edition) 1st Printing Ingersoll Dresser Pumps
With this activity book, you can learn about animals while solving puzzles.
