Nerni the gnome is back using science and engineering to solve a problem. This time, Higgins the dwarf and Piki Wiki the fairy have adventures of their own. Spark your child's interest in Science, Technology, Engineering, and Math (STEM) with Nerni and Friends. This book is great for reading to kids 2 years old and up, or for independent readers (2nd - 3rd graders) to read on their own.