Title: The Second 100 Chinese Characters: Traditional Character Edition: The Quick and Easy Method to Learn the Second 100 Most Basic Chinese Characters, Author: Laurence Matthews
Title: Tuttle Compact Mandarin Chinese Dictionary: Chinese-English English-Chinese [All HSK Levels, Fully Romanized], Author: LI Dong
Title: Intermediate Chinese Characters: Learn 300 Mandarin Characters and 1200 Words (Free online audio and printable flash cards) Ideal for HSK + AP Exam Prep, Author: Haohsiang Liao