My favorite children's book is "Green Eggs and Ham" by Dr. Seuss. Have you read it?
No I haven't read it. Dr. Seuss should be a very famous writer. I heard that his work has been translated to 20 languages/
That is very impressive. His books have definitely withstood the test of time!
Dr. Seuss also supported Theodor Geissel when he wrote the cat in the aht. It is also a very famous children book. 
Yes I believe that is his real name. Dr. Seuss was his pen name for his children's books.
My friend also wrote a book the hearth in the cloud with a pen name he even signed our book with his pen name 
Cool, I think pen names are a great idea. It lets you adopt a persona for your work of fiction.
Pen name
A pen name ("nom de plume" or "literary double") is a pseudonym (or, in some cases, a variant form of a real name) adopted by an author and printed on the title page or by-line of their works in place of their real name. A pen name may be used to make the author's name more distinctive, to disguise the author's gender, to distance the author from their other works, to protect the author from retribution for their writings
of five minute vignettes about famous people." The program was syndicated via electrical transcription by The Cardinal Company.
He also won Grammy Awards in 1965 and 1966 for his recordings of Dr. Seuss stories: in 1967 for Dr Seuss Presents – "If I Ran the Zoo" and "Sleep Book" and 1966 for Dr Seuss Presents "Fox in Socks" and "Green Eggs and Ham". He also read "Horton Hatches the Egg", "The Sneetches and Other Stories" and "Yertle the Turtle and