You may be interested to know that The Wonder Weeks is available in several languages and that there is plenty of supporting information on childhood development available on the Internet. A convenient way to access information on the Internet is to go to the website that is designed to support the English edition.
This website provides a great deal of additional information, including scientific research, the many languages into which The Wonder Weeks has been translated, how to order the book in any of these languages, and how to find blogs, forums, and other web pages with comments about The Wonder Weeks around the world in any language by searching the Internet using either the title or the ISBN number.
You can also subscribe to a free email service called Leap Alarm. See page Leap Alarm.