JLG offers this title because it is in the same series, Your Body Systems, as Your Muscular System Works!, which is a JLG Selection in the C35 Category. For more information about this category or Junior Library Guild service, please contact your account rep or call us at 800.491.0174.
Please note: This title is available by special order only and cannot be used as a substitution or replacement for JLG or SLJ Series Nonfiction Category books. Nor does it qualify as a free book choice. Orders for this title cannot be canceled.