Download or read book The Mission of Addition written by Brian P. Cleary and published by Millbrook Press ™. This book was released on 2014-01-01 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the first book of the Math Is Categorical® series, readers will become familiar with the concept of addition and its key terms. The author and illustrator of the best-selling Words Are CATegorical® series use their trademark sense of humor to add up the fun!