This book has 30 full-color addition worksheets for preschool children. The price of this book includes permission to download 8 other books in the series in a PDF format (RRP $51.72). Details about a) how PDFs can be downloaded and b) where the password can be found are inside this book. Free downloads include Preschool Printables (Add to ten - Easy Worksheets) RRP $8.95, by James Manning Preschool Printables (Add to ten - Level 2) RRP $8.95, by James Manning Preschool Printables (Add to ten - Level 3) RRP $8.95, by James Manning Preschool Printables (Subtraction - Level 1- Easy Worksheets) RRP $8.95, by James Manning Preschool Printables (Subtraction - Level 2 - Easy Worksheets) RRP $8.95, by James Manning Preschool Printables (Subtraction - Level 3 - Easy Worksheets) RRP $8.95, by James Manning Tracing Numbers. Counting, addition and Subtraction Worksheets RRP $8.95, by James Manning Books for 2 year olds - Colors Number and Shapes RRP $5.95, by James Manning Preschool Worksheets (Tracing numbers, counting, addition and subtraction worksheets) RRP $7.95 Book Features Soft bound Worksheets can be printed using the PDF provided 30 full color worksheets 8.5 inches by 11.0 inches 200gms cover Paper suitable for pencils, pens, felt tips pens, and acrylic pens Makes an excellent gift