| 1957 | 4 |
| 1972 | 0 |
| 1969 | 4 |
| | 3 |
| 1989 | 3 |
Stars in My Pocket Like Grains of Sand | 1984 | 3.33 |
| | 0 |
Magic: The Final Fantasy Collection | 1995 | 0 |
Dance Band on the Titanic | 1988 | 3 |
| 1960 | 0 |
How to Read Literature Like a Professor | 2002 | 3.61 |
| 1950 | 0 |
| 1976 | 0 |
Complete Guide to Middle Earth | 1974 | 0 |
The Road to Science Fiction 1 | 1977 | 0 |
| 1953 | 2.57 |
| 1980 | 0 |
| 1996 | 4 |
| 1978 | 0 |
| 1935 | 0 |
| 1959 | 0 |
The Sky is Filled with Ships | 1969 | 0 |
The Year of the Quiet Sun | 1970 | 2.5 |
| 1976 | 0 |
| 1957 | 3 |
| 1958 | 0 |
The Dark Beyond The Stars | 1991 | 3.5 |
| | 0 |
| 1976 | 3 |
| | 4 |
| 1980 | 0 |
Midnight at the Well of Souls | 1977 | 3.69 |
The Unpleasant Profession of Jonathan Hoag | 1959 | 3 |
Have Space Suit - Will Travel | 1958 | 3.54 |
| 1979 | 3.71 |
The Winds of Change and Other Stories | | 3.67 |
The Best of C. M. Kornbluth | 1976 | 4 |
| 2016 | 3.93 |
| 1958 | 3.1 |
| 1953 | 0 |
Hija de sangre y otros relatos | 1995 | 0 |
El Color de la Magia - Cristina Macía (Translator)
- Terry Pratchett
| 1983 | 3.73 |
| 2020 | 0 |
Emily Eterna - M.G. Wheaton
- Raúl García Campos (Translator)
| 2019 | 0 |
| | 0 |
| 1950 | 3.58 |
| 2018 | 3.25 |
| | 0 |
The Haunting of Tram Car 015 | 2019 | 3.97 |
| | 0 |
| 2020 | 4 |
| 2020 | 3.76 |
| | 0 |
Planetas invisibles - Chen Qiufan
- Xia Jia
- Ma Boyong
- Hao Jingfang
- Tang Fei
- Cheng Jingbo
- Cixin Liu
| 2016 | 0 |
The Sorcerer of the Wildeeps | 2015 | 3.21 |
Extraterrestrial Civilizations | 1979 | 0 |
| 2012 | 3.6 |
| | 0 |
| 1996 | 4.01 |
Advanced Python Development: Using Powerful Language Features in Real-World Applications | 2020 | 0 |
The Orchid Cage - Herbert W. Franke
- Christine Priest (translator)
| 1961 | 0 |
| 1979 | 0 |
Las 100 mejores novelas de ciencia ficción del siglo XX - Luis G. Prado
- Juan Manuel Santiago
- Julián Díez
- A. Cairo
- José Miguel Pallarés
- Eugenio Sánchez Arrate
- Antonio Rivas
| 2001 | 0 |
The Only Skill that Matters: The Proven Methodology to Read Faster, Remember More, and Become a SuperLearner | 2019 | 0 |
| 2020 | 3.81 |
| 1973 | 0 |
| 1961 | 3.73 |
This Is How You Lose the Time War - Amal El-Mohtar
- Max Gladstone
| 2019 | 3.89 |
| 2017 | 3.99 |
| 2014 | 0 |
Momentos estelares de la ciencia | | 0 |
Hacia las estrellas - Mary Robinette Kowal
- Aitana Vega Casiano (translator)
| 2018 | 0 |
Un planeta llamado Traicion | 1979 | 0 |
| 1969 | 0 |
| 2020 | 4.67 |
| 2003 | 3.63 |
Deception Deception: A Prequel to the Mars Frontier Series | | 0 |
| 2018 | 4 |
| 2020 | 4.05 |
Spiderlight - Adrian Tchaikovsky
- Alexander Páez (Translator)
| 2016 | 3.75 |
La glándula de Ícaro - Anna Starobinets
- Анна Старобинец
| 2013 | 4.33 |
Moonwalking with Einstein | 2011 | 3.85 |
| 2019 | 4.2 |
Everless: La Hechicera y el Alquimista | 2017 | 3.81 |
| 2016 | 4.01 |
| 1994 | 0 |
A Planet to Win A Planet to Win - Kate Aronoff
- Alyssa Battistoni
- Daniel Aldana Cohen
- Thea Riofrancos
| 2019 | 5 |
Alice's Adventures in Wonderland | 1864 | 3.89 |
| 2016 | 4 |
The Old Is Dying and the New Cannot Be Born | 2019 | 5 |
Nueva gramática básica de la lengua española - Real Academia Española
- Asociación de Academias de la Lengua Española
| 2011 | 0 |
| 1983 | 0 |
| 2019 | 4 |
Monstress, Vol. 2: The Blood | 2017 | 4.03 |
| 2017 | 3.75 |
| 1972 | 0 |
Maestro de enigmas - Patricia A. McKillip
- Carlos Gardini (Translator)
| 1976 | 0 |
21 Lessons for the 21st Century | 2018 | 4.14 |
| 2020 | 2 |
| 2020 | 3.87 |