front matter
This book is based on a real story. My son, Erik, liked to go to Starbucks and try drinks with different flavors and toppings. One day, he decided to prepare drinks himself and treat his friends. He took his tablet to collect orders from them, but I suggested he create a simple program for that. He had tried to learn programming before, but most of the exercises were boring for him. This time, he saw a real problem he could solve with programming, and he got interested.