Paperback: 24 pages
Publisher: Jindun publishing House; 1st edition (July 1, 2015)
Package Dimensions: 9.8 x 9.8 x 0.2 inches
Format: PDF ePub djvu ebook
In consideration of infants' young age and mental development and also on the basis of visual development theories, the author presents clear-cut and strongly contrasting pictures of white and black. The book design is supposed to stimulate infants' observation and concentration and further improve their visual acuity....