Percy Jackson & Kane Chronicles Crossover Series Novels

The Hagia Sophia Dome: Byzantine Earthquake-Resistant Engineering That Defied Time

The Hagia Sophia Dome: Byzantine Earthquake-Resistant Engineering That Defied Time

The Stepwells of India: Hydraulic Architecture for Monsoon Survival and Ancient Water Engineering

The Stepwells of India: Hydraulic Architecture for Monsoon Survival and Ancient Water Engineering

The Greek Trireme Warships: Naval Engineering That Ruled the Ancient Seas

The Greek Trireme Warships: Naval Engineering That Ruled the Ancient Seas

The Egyptian Nilometers: Ancient Water-Level Measurement Technology That Controlled a Civilization

The Egyptian Nilometers: Ancient Water-Level Measurement Technology That Controlled a Civilization

The Crown of Ptolemy (Percy Jackson & Kane Chronicles Crossover 3)

The Crown of Ptolemy (Percy Jackson & Kane Chronicles Crossover 3) by Rick Riordan

FANTASY YA ADV

The Staff of Serapis (Percy Jackson & Kane Chronicles Crossover 2)

The Staff of Serapis (Percy Jackson & Kane Chronicles Crossover 2) by Rick Riordan

FANTASY YA ADV

The Son of Sobek (Percy Jackson & Kane Chronicles Crossover 1)

The Son of Sobek (Percy Jackson & Kane Chronicles Crossover 1) by Rick Riordan

FANTASY YA ADV

The Russian Revolution and World War I: How War Brought Down the Tsar

The Russian Revolution and World War I: How War Brought Down the Tsar

The Zimmermann Telegram Explained: Germany's Secret Offer to Mexico in World War I

The Zimmermann Telegram Explained: Germany's Secret Offer to Mexico in World War I

Why the United States Entered World War I: From Neutrality to War in 1917

Why the United States Entered World War I: From Neutrality to War in 1917

The Sinking of RMS Lusitania: The U-Boat Attack That Changed World War I

The Sinking of RMS Lusitania: The U-Boat Attack That Changed World War I