The development of 21st century skills holds a special relevance in today'¬"s educational climate. But how do we know if we are sufficiently preparing the students of today for the challenges of the 21st century? In his new book, Barell will focus on assessment of K-8 students'¬" growth, development and understanding within all subjects of inquiry, as well as the principles that shape 21st century learning (i.e. problem solving, self-direction and critical and imaginative thinking). Modeled after Barell'¬"s two previous Corwin books- Why Are School Buses Always Yellow? (2007) and Problem-Based Learning (2006)-this new book will help teachers create authentic learning experiences by fostering within their own students the ability to inquire, think clearly, critically and creatively, to conduct purposeful investigations, to pose and resolve problems, to draw reasonable conclusions, and become 21st-century thinkers. Barell builds upon the ideas presented in his two previous books by taking the inquiry and assessment pieces and integrating them with 21st century skills, making his latest book incredibly timely and applicable to the issues of today.