This PDF is in English and uses standard US terminology. Pattern has written instructions and some picture tutorials.

This pattern is unisex and one size fits all, will fit head 50-61cm (19-24 inches), one square is 14-15cm (5,5-6 inches)

Hook size :
3mm

Yarn :
This pattern used fingering weight yarn
Hobbii Rainbow Cotton 8/4 Light Coral (050) - 1 skein
Hobbii Rainbow Cotton 8/4 Coral (051) - 1 skein
Hobbii Rainbow Cotton 8/4 Light Pink (062) - 1 skein
Hobbii Rainbow Cotton 8/4 Apricot (065) - 1 skein
Hobbii Rainbow Cotton 8/4 Dusty Light Green (075) - 1 skein
We Love Yarn 8/4 Cotton Yarn Natural White (01) - 2 skeins

Other materials required:
scissors to cut yarn
tapestry needle to weave in ends and sew together squares

Skills needed:
Knowledge how to make a magic circle, how to chain, slip stitch and single, half-double, double and treble crochet. How to attach squares with slip stitch.