10 The letter x makes the /ks/ sound when it comes at the end of a word, but when it comes at the beginning of a word it can either say its name as in x-ray, or make the /z/ sound as in xylophone.

X, I learned, has long been seen as a powerful letter. In the early days of the Christian Church, X — the Greek letter chi — acquired mystical significance, in part for its resemblance to the ...

The development of letter-sound (LS) and letter-name (LN) knowledge and associations with other reading skills differed in 91 children followed from the beginning of kindergarten through the middle of ...

But X is not just any old letter, no mundane B, overextended S or unavoidable E. X holds a mystique. It smacks of the strange, the alien and the exotic - and of the forbidden.