Michael Dahl 
Frog Pajama Party [PDF ebook] 

An organization that is established as an instrument or means for achieving defined objectives has been referred to as a formal organizations. Its design specifies, how goals are subdivided and refle …

Clinical biochemistry is an analytical and interpretative science. The analytical part involves thedetermination of the level of chemical components in body fluids and tissues. The interpretative par …

When a cat gets stuck in a tree and some ducks need help crossing the street, these young superheroes are there to save the day! With high-frequency words and simple, repetitive sentences, this brigh …

How do the levers, hammers, and strings of a piano work together to make music? How do the size and shape of a trumpet’s bell affect its sound? Find the answers to these questions–and more–with thi …

People have been using shadow puppets to entertain people for centuries. Learn the history of shadow puppets and the "technology" behind them with this STEAM book that will ignite a curiosi …

Smithsonian’s National Zoo is one of Washington DC’s most popular attractions. Tag along with the zookeepers and learn about the unique problems they face and their creative solutions to keeping the …

Imagine a city with no cars or streets and where people ride boats to get around. This place is Venice, Italy. Built on a lagoon, Venice is in trouble. The city is sinking, and engineers are racing t …

Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to …

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they’re injured, and doctors use them to help patients feel better. Learn how swimming pools a …

Learn how division makes planning a birthday party fun and easy! This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math a …