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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
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Addresses the needs of very advanced learners who wish to improve their proficiency further. Defines the distinctive learning style of advanced learners and challenges them both by introducing new activities and by engaging them in familiar activities at a higher level of proficiency. Published On: 20090428
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
