Project Gutenberg 2007-03-12 Copyrighted. Read the copyright notice inside this book for details. 210 Burroughs, Edgar Rice 1875 1950 Mickle, Gary Ĉe la koro de la tero "Ĉe la koro de la tero" by Edgar Rice Burroughs is a science fiction novel written in the early 20th century. The story follows David Innes and his companion, Abner Perry, as they journey deep beneath the Earth's surface in a unique subterranean drilling vehicle. The novel explores themes of adventure, discovery, and encounters with strange life forms, all set in a fantastical inner world filled with dangers and wonders. At the start of the narrative, David Innes introduces himself and recounts his life before the adventure. He inherits a mining company after his father's death and becomes involved with the eccentric inventor Perry, who has created a powerful drilling machine. As they prepare for a secret test of this invention, they find themselves in a perilous situation while drilling deep into the Earth's crust. The opening sets the stage for their subsequent adventures in a bizarre and dangerous inner world populated by prehistoric creatures and humanoid species, leading to their desperate quest for survival and exploration. (This is an automatically generated summary.) Reading ease score: 51.4 (10th to 12th grade). Somewhat difficult to read. eo Science fiction Adventure stories Earth (Planet) -- Core -- Fiction PS Text Science Fiction Esperanto Category: Science-Fiction & Fantasy Category: Adventure 311005 2025-10-09T03:30:25.253687 text/html 334284 2007-03-12T18:11:42 text/html 186065 2025-10-09T03:30:30.594634 application/epub+zip 189113 2025-10-09T03:30:26.913677 application/epub+zip 189114 2025-10-09T03:30:25.857659 application/epub+zip 337427 2025-10-09T03:30:33.526652 application/x-mobipocket-ebook 313321 2025-10-09T03:30:29.976674 application/x-mobipocket-ebook 287911 2022-09-10T04:14:48.959555 application/x-mobipocket-ebook 292155 2025-10-09T03:30:24.285707 text/plain; charset=us-ascii 293425 2007-03-12T18:11:40 text/plain; charset=us-ascii 291449 2007-03-12T18:12:26 text/plain; charset=us-ascii 20984 2025-10-09T03:30:33.657635 application/rdf+xml 11676 2025-10-09T03:30:26.349686 image/jpeg 3157 2025-10-09T03:30:26.103657 image/jpeg 111468 2007-03-12T18:13:22 application/octet-stream application/zip 117054 2007-03-12T18:13:22 application/octet-stream application/zip 110399 2007-03-12T18:13:22 application/octet-stream application/zip 181559 2025-10-09T03:30:25.279674 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia