Plot

Everyone thought that Bethany Blacks best pal Mary Mason was an only child, but Bethany suspects Mary has a twin. Then while visiting Mary’s mum, a scientist, to tell her Mary was in hospital with hurt wrist, she saw two girls identical to the absent Mary.

Notes

• Photo Story

Appeared

• The Mary Mason Mystery – Suzy: #74 (4 February 1984) – #78 (3 March 1984)