Big Books of 2026
2025 Reading Challenge
2025 READING
CHALLENGE
Participants 7,758,522
Books Pledged 287,565,726
Avg. Books Pledged 37
Time Left 8 days, 3 hours
Sergio has read 52 of 52 books in 2025.
SERGIO MARS’S 2025 BOOKS
  • The Fisherman by John Langan
  • El Ministerio del Futuro by Kim Stanley Robinson
  • Rito de cortejo by Donald Kingsbury
  • Linaje ancestral by Adrian Tchaikovsky
  • Ningún viajero vuelve by Juan Miguel Aguilera
  • La casa de los cien escalones by David Jasso
  • Una y otra vez by Clifford D. Simak
  • La ballena azul by Raúl Quinto
  • Arcología by Juan Miguel Aguilera
  • Pavana by Keith Roberts
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