Cas smiled. “Now, press the button that says ‘Pressurize’,” she said. After a slight pause, she saw the sides of the loo go taut. “Let me know when the light turns green.”

“It’s green,” said Ori, voice high and nervous.

“Ok,” said Cas, “now you can open your suit and go to town.” She waited a bit. Then she made a loud fart sound with her tongue that left a splatter of spit on the inside of her visor.

“Cas! Stop it!” said Ori.

Shelter: Generation Mars, Book Two

Coming in March

(image: Luis Peres)