This compilation of information addresses various issues facing internationally mobile children and adolescents. Some of the topics include: the different characteristics of Third-Culture Kids (TCKs); assessment practices and language and learning differences among TCKs, including an analysis of language problems, norm groups, and test interpretation; points learned from evaluating limited English proficient children in the United States and TCKs overseas; variables affecting language acquisition; reasonable evaluation batteries for TCKs; the interpretation of psychoeducational test results; a psychoeducational evaluation of a TCK/multinational child; personality and developmental differences among TCKs, drawn largely from interview results; characteristics that can be associated with an internationally mobile lifestyle; and comparisons between American internationally mobile adolescents and internationally mobile adolescents from other countries. (Contains 60 references.) (RJM)