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Learn about the leaders, battles, U.S. home front, and many events that led up to and ended World War II, which involved 20 nations across the globe. Test your knowledge of this major world war in 12 fact-filled puzzles, including code breaking, crosswords, Sudoku, and others.

Benjamin Franklin was a man of science and philosophy. He was a writer and a statesman. He changed the world with his words and ideas and helped the country declare independence. His story has lasted centuries and his name lives on in the places he loved.

Dozens of monuments and memorials define the national city, but who built them? And why here? In this book, puzzles and activities are filled with fun facts and interesting trivia about the people, places, and events that helped shape the nation's capital. Read and learn about the story behind the city, the men behind the monuments, and the moments behind the memorials.

Learn about twelve first ladies, from Martha Washington to Michelle Obama, in twelve crossword puzzles. Grab a pencil, open this book, and discover fascinating facts about their lives and legacies, and the changing role of First Lady throughout U.S. history.

Learn about the world of cryptography, or secret writing, with this collection of fascinating ciphers, anagrams, and acrostics. The military has used secret writing to share battle plans. Edgar Allan Poe popularized secret writing in his mystery story "The Gold Bug." Test your code-breaking skills through 11 puzzles, including examples using the Caesar Cipher, substitution ciphers, and Lewis Carroll's alphabet cipher.

In 1848, James Marshall discovered a nugget of gold while excavating a ditch for a sawmill; by the end of 1849 over 100,000 people had migrated to California in hopes of striking it rich. Learn about the events, people, places, and life during the California gold rush. In this book you will find fifteen puzzles full of fun facts and trivia about this fascinating part of American history.