Vazio Infinito
| Book | Flow My Tears, the Policeman Said |
| Format | Paperback |
| Language | Portuguese |
| Copyright | 1974 |
| Author | Philip K. Dick |
| Publisher | Publicações Europa-América |
| Translated by | Maria Teresa Pinto Pereira |
| Cover/Jacket Design by | Estúdios P. E. A. |
| Cover Art by | Luís Costa, Adalberto Tenreiro |
| Copyright Holder | Philip K. Dick |
| Reprinted with/by arrangement with | Scott Meredith Literary Agency, L.P. |
| Editor | Francisco Lyon de Castro |
| Series | Ficção Científica |
| Printed by | Gráfica Europam, Lda. |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| Copyright | 1974 |
| Pages / Font | 192 pages |
| Edition No. | 35 057/3385 |
| Series Number | 57 |