Baron Trump's Marvellous Underground Journey

Baron Trump's Marvellous Underground Journey is an 1893 Fantasy novel by Ingersoll Lockwood, and the sequel to his 1889 book Travels and adventures of Little Baron Trump and his wonderful dog Bulger.

It can be found here: https://archive.org/details/barontrumpsmarve00lock


 * Hollow Earth: The book is about Wilhelm's adventures within it.
 * Overly Long Name: Wilhelm Heinrich Sebastian Von Troomp, commonly called Little Baron Trump.