$20.00

We all have them. And we know everyone else does, too. But we avoid thinking about them, even though they affect our thinking deeply. What are they? They are cognitive biases, and they lead our mind to do things that might not be in our best interest. We are all prone to being affected by them, yet hardly anyone takes the time to learn about them—and how to make sure they don’t have as great an impact on us.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$20.00

In a society where countless ideas are being shared, debated, and analyzed, it’s more important than ever to sift out the good ones from among the bad ones. And when people you respect and trust use arguments that sound persuasive, how can you determine if they are correct? One of the most commonly used methods of spreading misinformation is the use of a logical fallacy.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$20.00

Dennis Forde, Secretary of State, has died, and the Tuttle Twins are headed for the funeral. Little do they know the opportunities—for good and bad—that will come from this event. Aunt Cathy—Mom’s sister—worked for Forde and has a big decision to make. Will she try to replace him? A millionaire businessman wants to run for Senate. And both of them want to tap into that Tuttle Twins power. Will they succeed? It’s your call.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$20.00

It’s a perfect day for a game of baseball, and the Tuttle twins are determined to finally beat the rival team from the neighborhood. The game-winning home run from Emily gets them what they want… along with a whole lot of trouble they could never have expected. Can they figure out how to make things right with the owners of the broken window? What if they get help from you?

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$20.00

The Tuttle twins are off to visit Grandma’s quaint, pink house on the banks of the Monongahela river to celebrate Independence Day. There are parades and rope swings, and all the things that make a vacation grand. But it’s not all fun and games. When a greedy corporation schemes to take over Grandma’s land and push her house into the river, can the twins stop it and come to her rescue? Can you help them?

Autor(es): Connor Boyack
Idioma: English



$16.00

Enter Murray Rothbard, author of Anatomy of the State, whose book teaches the Tuttle Twins that the fate of the future—and all of humanity—depends on thinking of ways we can work together peacefully, to build a better society without relying on coercion.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$16.00

Ethan and Emily Tuttle tackle these questions in their latest adventure, this time as clowns in the visiting circus. Incorporating ideas from Ayn Rand’s hit novel Atlas Shrugged, this book shows how things begin falling apart when socialism creeps in. Join the clown twins as they try to figure out where Atlas went—and more importantly, why he left.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$16.00

But as Ethan and Emily Tuttle learn in their latest adventure, being an entrepreneur isn’t easy—especially when you’re up against some tough competition. Join the twins as they dive into the ins and outs of becoming business owners, solving the many problems that pop up along the way!

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$16.00

Based on the book Crisis and Leviathan by Robert Higgs, this story finds the twins learning the power of truth in a world filled with fearmongering, ignorance, Trojan horses, and demagogues—a message with substantial relevance to our lives today.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press



$16.00

Long-time educator John Taylor Gatto shares ideas with the Tuttle family from his book The Underground History of American Education. As they soon learn, education works best when we have the freedom to discover our interests and develop our abilities, rather than being shaped into what somebody else wants.

Autor(es): Connor Boyack
Idioma: English

Editorial: Libertas Press