This easy to follow pattern (14 pages) is written for two sizes (pot holder and mandala). It contains step by step full written instructions in English using standard crochet abbreviations and US terms (stitch guide is given in the pattern). It also contains lots of pictures explaining all the tricky and difficult places.
los gráficos del gato: MANDALA GANCHILLO
US Vs UK measurements for yarn
Ravelry: amikomo3-23 Luncheon Mat pattern by Pierrot (Gosyo Co., Ltd)