Sludge Management

The Problem of Increasing Human Energy: With Special Reference to the Harnessing of the Sun's Energy

The True Wireless

Clean Energy and Resource Recovery: Wastewater Treatment Plants as Biorefineries, Volume 2

Energy and Civilization: A History

Nutrients Removal and Recovery in Wastewater Treatment Systems

UNIVERSE

Crystal Healing: The Ultimate Guide on the Power of Crystals (Harness the Power of Crystals and Sacred Geometry for Manifesting Abundance)

Current Developments in Biotechnology and Bioengineering: Sustainable Treatment Technologies for Per- and Poly-fluoroalkyl Substances

Crystal Healing: Heal Yourself With Crystals and Healing Stones (Strategies to Transform Your Health With the Power of Stone Magic)

Crystal Healing: A Beginners Guide on Using Earth Energies for Healing (How to Use Stress and Anxiety Management, and Development of Your Intuition)

Renewable Energy Engineering

Energy for Future Presidents: The Science Behind the Headlines

Renewable Energy Resources

Microalgae Cultivation for Biofuels Production

Artificial Intelligence for Digitising Industry – Applications

Substation Automation Systems: Design and Implementation

Internet of Things – The Call of the Edge: Everything Intelligent Everywhere

Schemata Of The Stars, The, Byzantine Astronomy From 1300 A.d.