How to Catapult a Castle: Machines That Brought Down the Battlements cover

How to Catapult a Castle: Machines That Brought Down the Battlements

Author: de Winter, James

Reading Metrics

Grade Level Middle Grades (MG 4-8)
Book Level 5.1
Points 0.5
Fiction/Nonfiction Nonfiction
Word Count 2176
Points per Word 0.00023
Page Count 32
Points per Page 0.015625

Description

This book presents the science behind building and defending castles, including the use of simple machines such as pulleys and levers.