孩子是天生的探險家，Guess What! 就是專為「對世界充滿好奇心」的兒童學習者而編寫的英語教材。課程主題生動有趣，並透過大量美麗的真實世界圖像與引人入勝的知識影片，帶領孩童在學習英語的歷程中也探索世界萬物。課綱依「劍橋兒童英語認證」(YLE) 所編排，適用於一般學童和YLE 考生。
Beautiful world photography, captivating real-life video and interest-grabbing CLIL topics take young learners on a remarkable journey to explore the world as they learn English.
Why do whales jump out of water? What makes our bodies move? Guess What! has the answers. This highly visual six-level course taps into children's natural curiosity and sparks their interest through content-based topics, beautiful photography, and captivating video. It takes them on a remarkable journey of exploration and discovery as they learn English. The syllabus mapped to the Cambridge English: Young Learners exams, and emphasis on self-reflection ensure children have the necessary support to enjoy learning and achieve great results. The focus on functional language provides learners with the tools they need to use English in and outside of school while lively stories prepare for success in life with social values. The digital support in Guess What! enables teachers to explore the material in new ways thanks to the interactive Presentation Plus software, extra online practice in the Cambridge Learning Management System and online digital teacher training course.
◎ 課程設計包含「語言及內容整合學習」(CLIL)，除學習英語外，亦提供學童豐富知識，同時訓練學童獨立思辨能力 (critical thinking)。
◎ 有趣故事蘊含品格教育，傳達：合作、溝通、負責、尊重他人與世界等重要處世觀念。
◎ 其他單元特色，如：強化學習與記憶的可愛歌謠，取材自趣味事實 (fun fact) 所編寫的自然發音練習，以及YLE skills 練習活動等。
◎ 課室軟體(Presentation Plus) 全面提升教學互動性與完整性，包含：學生課本、作業本、解答、完整的影音資源以及教師手冊。